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Maya Codex of Mexico

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Page 6 of the Maya Codex of Mexico, depicting a death god with captive
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Drawing of a Mayan stone carving with elaborate decoration.
History
Spanish conquest of the Maya

The Maya Codex of Mexico (MCM) is a Maya screenfold codex manuscript of a pre-Columbian type. Long known as the Grolier Codex or Sáenz Codex, in 2018 it was officially renamed the Códice Maya de México[1] (CMM) by the National Institute of Anthropology and History of Mexico. It is one of only four known extant Maya codices, and the only one that still resides in the Americas.

The MCM first appeared in a private collection in the 1960s and was shown at "The Maya Scribe and His World", an exhibition held at the Grolier Club in New York City in 1971, hence its original name.[2] An almanac that charts the movements of the planet Venus, it originally consisted of twenty pages;[3] the first eight and the last two are now missing.[2] Folio 8 has the tallest fragment, measuring 19 centimeters (7.5 in), and its pages are typically 12.5 centimeters (4.9 in) wide. The red frame lines at the bottom of pages four through eight indicates that the dimensions were once substantially taller, and that the scribe prepared a space for text under the figure on each page. Accordingly, the manuscript would once have measured 250 centimeters (98.4 in),[4][5] roughly the size of the Dresden Codex.

Its authenticity was disputed at the time of its discovery, but has been upheld by multiple studies. In 2018, a team of scientists coordinated by the National Institute for Anthropology and History demonstrated conclusively that the document dates to the period between 1021 and 1154 CE. The Mexican studies confirm that it is the oldest surviving codex from Mexico and the oldest book of the Americas.[6][7][8]

Modern history and authenticity

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The Codex was first displayed at the Grolier Club in New York, hence its name

The first Mexican owner, Josué Saenz, claimed that the manuscript had been recovered from a cave in the Mexican state of Chiapas in the 1960s, along with a mosaic mask, a wooden box, a knife handle, as well as a child's sandal and a piece of rope, along with some blank pages of amate (pre-Columbian fig-bark paper). Saenz lent the manuscript to the Grolier Club and later presented the book to the Mexican nation.[4][9]

The codex is said to have been found enclosed in a wooden box in a dry cave in the highlands of Chiapas near Tortuguero;[10] it was said to have been found with a turquoise mask that is now in the collection of Dumbarton Oaks.[11] In 1965, the Mexican collector Dr. Josué Sáenz was taken by two men on a light plane to a remote airstrip in the foothills of the Sierra Madre near Tortuguero in Tabasco state;[12] the compass of the plane was covered with a cloth but Sáenz recognized his approximate location. At the airstrip he was shown the codex along with some other looted Maya artifacts and was told that he could take the items back to Mexico City for authentication before purchasing them.[13] The antiquities expert that Sáenz consulted declared that the artifacts were fakes but Sáenz later purchased the codex and permitted Michael Coe to display the codex at the Grolier Club in 1971.[13] In 1976, the United States-Mexico Artifacts Treaty of 1970 was invoked by the Attorney General of Mexico. This resulted in the seizure of the codex and its return to Mexico.[14] Sáenz donated the codex to the Mexican government and it is currently kept in the vault of the National Library,[9] after being kept for years in a vault in the Museo Nacional de Antropología in Mexico City and not on public display.[15] The claimed discovery of the Grolier Codex would make it the only pre-Columbian codex discovered in the course of the 20th century, except for some codex fragments excavated by archaeologists.[16]

Following the 1971 exhibition, Michael D. Coe,[17][18][19][20] published the first half-size recto-side facsimile of the codex in The Maya Scribe and His World, published by the Grolier Club in 1973.[21] The MCM was subsequently published various times, by detractors (J. Eric S. Thompson,[22] Milbrath,[23] Baudez,[24] among them) and by proponents (Stuart, Carlson).[25] Coe, Stephen D. Houston, Mary Miller, and Karl Taube published the first full-sized facsimile in 2015, using photographs taken by National Geographic photographer Enrico Ferorrelli in 1987, along with a full set of hand-drawn and uncopyrighted drawings for dissemination, and a thorough analysis of the context, content, and iconography of the codex.[4] Coe et al. also demonstrated that the paper is three-ply, which lent itself to the screen-fold format. A new facsimile, based on new photography, was published by the Mexican government in 2018.[9]

The English Mayanist J. Eric S. Thompson cast doubt upon the authenticity of the MCM in 1975, although he did not see the manuscript himself. As Victoria Bricker and Harvey Bricker have argued, the contents of the MCM have not been copied directly from any known codices, and yet they are consistent with an authentic and accurate prehispanic calendar. Although other scholars have argued for and against the codex, the arguments against the manuscript's authenticity became irrelevant in the face of Mexican scientific analysis.[citation needed]

Various campaigns of scientific testing of the manuscript have taken place, beginning with a radiocarbon test in 1972 which yielded a date of 1035–1431;[21][26] a subsequent test in 2012 produced a date of 1050–1284.[25] In 2007, the Instituto de Física de la Universidad Nacional Autónoma de México subjected the codex to non-destructive testing in an effort to determine its authenticity, and identified the key ingredient of Maya blue, palygorskite.[27] Tests under the sponsorship of INAH yielded additional radiocarbon dates, leading to a consensus that the manuscript dates to the 11th or 12th century.[28][29] Additional scientific study has demonstrated that the amate paper surface was prepared on both sides with a thin foundation of gypsum, or calcium sulfate (CaSO4•2H2O) measuring between 0.2 mm-0.3 mm, in order to form a smooth writing surface.[30] The Mexican studies have also proven that the pigment is contemporaneous with the paper; further work has shown that the pigments include lamp black, red produced from hematite (Fe2O3), Maya blue fashioned from indigo dye and palygorskite, and browns prepared with cochineal.[31]

Mexican scientific study has also shown that the codex was subjected to at least three periods of high moisture conditions.[5][32] Furthermore, tiny arthropods took up residence in the MCM at some point, yielding crisply chewed edges that detractors of the manuscript misconstrued as scissor cuts.[32] Looters handled the codex roughly, tearing apart the pages. Today only pages four, five, and six remain attached to one another.[4]

In 2015, ahead of the INAH study, Coe, Houston, Miller and Taube published a full study of the codex. They presented further arguments in support of the authenticity of the document and came to the conclusion that only a Maya priest could have made the work.[4] Despite subsequent publication of a critical review of Coe et al.’s arguments,[33] teams of scientists under the auspices of Mexico's National Institute of Anthropology and History were preparing the studies that would declare the MCM to be authentic in 2018.

Content

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Although both front and back (recto and verso) of the MCM were prepared for painting, only one side was completed as a ritual manuscript.[4] Each recto page features a standing deity facing left. The left-hand side of each page is marked by a column of repeated day signs; where this column is complete these total thirteen in all. Ring numbers across the upper margin link the days of the Venus cycle,[3] recorded in a hybrid system that incorporates both the bar-and-dot numeration of the Maya and the single dots used in Central Mexico and Oaxaca.[34]

Mesoamerican peoples paid close attention to Venus, understood to be a dangerous and warlike entity (XRF Mesoamerican calendars). Venus's cycle was broken down by synodic periods as follows: 90 days of invisibility in superior conjunction (SC), 250 days of visibility as Evening Star, 8 days of invisibility in inferior conjunction (IC), and 236 days of visibility as Morning Star, for a total of 584 days.[3] Five Venus cycles equals 8 solar years of 365 days, providing for numerological opportunities.

It is these synodic periods that are spelled out in the MCM ring numbers. For example, page 7 shows a bar and three dots inside the “ring,” so that the reader counts forward 8 days from the Lamat day (e.g.10 Lamat, in the second position) to the Kib day (e.g. 5 Kib, in the second position), 8 days later on page 8. On page 8, the count in the “ring” is 16, three bars and one dot; this is added to the sum yielded by the 11 dots, which note periods of 20, or 220 days, to total 236 days: 236 is the period of Venus's visibility as Morning Star.[3] The book would have served as a guide to precise knowledge in the hands of a Maya priest in the late 11th or early 12th century.

The first eight pages of the codex are now lost, as are the last two, but the page numbering today refers to the pages now in existence.[4] Page 1 depicts K’awiil, who takes a captive.[4] Page 2 depicts a death god, the god most commonly known as Kimi among the Maya.[4][35] The deity of Page 3 is not easily identifiable, but the blackened eyes of the captive are like those seen on Dresden 60b.[4] K’awiil repeats on Page 4, this time taking a captive. Page 5 features a version of a solar deity known from Dresden 55a, and as the face of an Early Postclassic Maya mask at the Art Institute of Chicago (1965.782); this sun god sets the temple in front of him afire with a dart launched from his atlatl.[4] A death god appears on page 6, almost certainly a version of Tlahuizcalpantecuhtli, as first identified by John Carlson.[34] He wields a massive knife and has decapitated another deity that he holds by the hair. The death deity has a jagged flint blade in his nasal cavity, similar to a depiction at the Temple of the Warriors, Chichen Itza.[21]

The enigmatic deity of Page 7 stands in front of a shining tree, or what David Stuart first called the "Shiner".[36] His headdress is very close to the headdresses worn by the five deities in the Vaticanus B Venus passages, and this may further link him to Tlalhuizcalpantecuhtli, god of the Morning Star in Central Mexico.[4] The shining tree may be issuing radiant jade disks.[4] Page 8 has been identified as a bird deity,[21] with some serpent qualities;[4] he wears a thick belt and tezcacuitlapilli over a hide skirt,[4] and he has shot the temple in front of him with a dart from his atlatl.

Although sometimes identified as a maize deity,[37] the Page 9 god is the craggy mountain deity or personified mountain from which a maize kernel or a maize god could emerge,[4] like the representation discovered at Tancah in 1974.[38] In the MCM the mountain deity prepares to hurl a stone and takes a captive. Finally, although once thought to be fragments of two different pages, Page 10 can now be recognized as a single page, and the depiction of the third and final skeletal death deity, probably Tlalhuizcalpantecuhtli again. The deity has launched an atlatl dart into a body of water to strike a gastropod, very much like images from the Nuttall and Borgia codices (Codex Nuttall 16, 34, 75, 80; Codex Borgia 12, 53).

Two more pages would have followed these ten, to complete the full Venus cycle recorded in the surviving pages.

Style

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The radiocarbon date of the codex places it squarely in the Early Postclassic period, when both Tula and Chichen Itza were waning in power and when all of Mesoamerica was in decline. The workmanship of the MCM relates to late paintings at Chichen Itza, in which outlines and underdrawing are only loosely followed by the subsequent final painting.  The discovery of ring numbers in the Xultun paintings, dating to 800 CE, provided evidence that ring numbers were in use for centuries, and not unique to the Dresden Codex.  The proportions of the human figures are similar to those known from Terminal Classic and Early Postclassic fine orange ceramics, typically with a ringstand support.

Saeko Yanigasawa has demonstrated that the style of the MCM most closely relates to that of Mixtec codices, which may have drawn on hybrid works like the MCM, and other scholars have noted that headdresses known from the Mixtec manuscripts are first known in the MCM. The rounded eye, as opposed to the oval characterized by a straight line across the upper side of the eye, is known at Chichen Itza. Also typical of both the MCM and paintings at Chichen Itza is the casual attention to underdrawing; in both, the final painted line deviates from the sketch. The style of the MCM hieroglyphs is simple but competent, consistent and controlled for long columns of day signs. Both the underdrawing and the finished work suggests that a single scribe, using at least two brushes, one brush for thicker, viscous pigments used for the day signs, and a finer instrument to handle the human figures and other elements of each scene.

Exhibition

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The MCM was first shown at the Grolier Club from April 20 to June 5, 1971. Prior to the first exhibit in 1971 at The Grolier Club, the MCM was in the possession of a private collector in Mexico. The MCM first appeared at an auction in the late 1960s.[39] The MCM was exhibited at the Museo Nacional de Antropología of Mexico City for three weeks in September and October 2018.

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  • Page 1
    Page 1
  • Page 4
    Page 4
  • Page 6
    Page 6
  • Page 7
    Page 7
  • Reconstructed image of Page 7
    Reconstructed image of Page 7
  • Page 8
    Page 8
  • Page 9
    Page 9

See also

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Footnotes

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  1. ^ Instituto Nacional de Antropología e Historia (30 August 2018). "Boletín 299: INAH ratifica al Códice Maya de México, antes llamado Grolier, como el manuscrito auténtico más antiguo de América" (PDF). gob.mx. Retrieved 18 October 2019.[permanent dead link‍]
  2. ^ a b Gent, George (21 April 1971). "Manuscript Could Change Views of Maya's Religion". The New York Times. Retrieved 18 October 2019.
  3. ^ a b c d Bricker, Harvy M., Victoria R. Bricker (2011). "Venus and Mercury". Astronomy in the Maya Codices. Philadelphia: American Philosophical Society. pp. 219–229. ISBN 978-0-87169-265-8.{{cite book}}: CS1 maint: multiple names: authors list (link)
  4. ^ a b c d e f g h i j k l m n o p Coe, Michael, Mary Miller, Stephen Houston, Karl Taube (2015). "The Fourth Maya Codex" (PDF). Maya Archaeology 3. San Francisco: Precolumbia Mesoweb Press. pp. 116–167. ISBN 978-0985931704.{{cite book}}: CS1 maint: multiple names: authors list (link)
  5. ^ a b Martínez del Campo Lanz, Sofía (2018). "El Lenguaje Intrínseco del Códice Maya de México". El Códice Maya de México, antes Grolier. Ciudad de México: Instituto Nacional de Antropología e Historia. pp. 15–42. ISBN 978-607-539-158-8.
  6. ^ Bonello, Deborah (31 August 2018). "Mexican historians prove authenticity of looted ancient Mayan text". The Telegraph. Retrieved 18 October 2019.
  7. ^ The Associated Press (31 August 2018). "Oldest surviving Maya book declared authentic". CBC. Retrieved 18 October 2019.
  8. ^ Stevenson, Mark (30 August 2018). "Expertos de México autentican códice maya de hace 1.000 años". AP News. Retrieved 18 October 2019.
  9. ^ a b c Brito Guadarama, Baltazar (2018). "El Códice Maya de México. Códice Grolier". El Códice Maya de México. Ciudad de México: Instituto Nacional de Antropología e Historia. pp. 1–14. ISBN 978-607-539-158-8.
  10. ^ Coe 1999, p. 200. Marhenke 2012.
  11. ^ Milbrath 2002, p. 51.
  12. ^ Markenke 2012. Yates 2012. Baudez 2002, p. 3.
  13. ^ a b Yates 2012.
  14. ^ Vitelli 1977, p. 461.
  15. ^ Marhenke 2012. Yates 2012. Johnston 1977.
  16. ^ Ruvalcaba et al 2007, pp. 299–300.
  17. ^ "Michael Coe: influential archaeologist helped unlock secrets of Mesoamerica". Yale News. 8 October 2019. Retrieved 22 October 2019.
  18. ^ Roberts, Sam (8 October 2019). "Michael Coe, Maya Scholar and Codebreaker, Is Dead at 90". The New York Times. Retrieved 22 October 2019.
  19. ^ Smith, Harrison (30 September 2019). "Michael Coe, influential archaeologist and Maya Scholar, dies at 90". The Washington Post. Retrieved 22 October 2019.
  20. ^ Houston, Stephen (3 October 2019). "Archaeologist who explored the ancient civilizations of Mexico and Central America". The Guardian. Retrieved 22 October 2019.
  21. ^ a b c d Coe, Michael D. (1973). The Maya Scribe and His World (PDF). New York: The Grolier Club. pp. 150–153. ISBN 0-8139-0568-0.
  22. ^ Thompson, J. Eric S. (1975). Graham, John A. (ed.). "The Grolier Codex". Studies in Ancient Mesoamerica, II. 27: 1–9 – via eScholarship.
  23. ^ Milbrath, Susan (2002). "New Questions Concerning the Authenticity of the Grolier Codex". Latin American Indian Literature Journal. 18 (1): 50–83 – via Research Gate.
  24. ^ Baudez, Claude-François (2002). "Venus y el Códice Grolier". Arqueología Mexicana. 10 (55): 70–79 – via issuu.
  25. ^ a b Carlson, John B. (2012–2013). "The Twenty Masks of Venus: A Brief Report of Study and Commentary on the Thirteenth-Century Maya Grolier Codex, a Fragment of a 104-Year Hybrid-Style Maya Divinatory Venus Almanac". Archaeoastronomy. XXV: 1–29 – via academia.
  26. ^ Buckley, James (1973). "Isotopes' Radiocarbon Measurements X". Radiocarbon. 15 (2): 280–298. Bibcode:1973Radcb..15..280B. doi:10.1017/S003382220000120X – via The University of Arizona Journals.
  27. ^ Ruvalcaba, J. L., S. Zetina, H. Calvo del Castillo, E. Arroyo, E. Hernández, M. Vander (2008). "The Grolier Codex: A Non Destructive Study of a Possible Maya Document Using Imaging and Ion Beam Techniques". MRS Proceedings. 1047. doi:10.1557/proc-1047-y06-07 – via MRS Online Proceedings Library Archive.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  28. ^ Solís, Corina, Miguel Ángel Martínez Carrillo, María Rodríguez-Ceja, Efraín Rafael Chávez-Lomelí, José Andrés (2018). "Datación del Códice Maya de México con radiocarbono y espectrometría de masa con aceleradores". El Códice Maya de México, antes Grolier. Ciudad de México: Instituto Nacional de Antropología e Historia. pp. 109–118. ISBN 978-607-539-158-8.{{cite book}}: CS1 maint: multiple names: authors list (link)
  29. ^ Gutiérrez, Gerardo, and Baltazar Brito Guadarrama (2018). "Fechamiento AMS 14C del Códice Maya de México: el libro más antiguo de Mesoamérica". El Códice Maya de México, antes Grolier. Ciudad de México: Instituto Nacional de Antropología e Historia. pp. 267–282. ISBN 978-607-539-158-8.{{cite book}}: CS1 maint: multiple names: authors list (link)
  30. ^ Sánchez Hernández, Ricardo, and Alba Azucena Barrios Ruiz (2018). "Caraterización mineralógica y química de la imprimatura y los pigmentos del Códice Maya de México". El Códice Maya de México, antes Grolier. Ciudad de México: Instituto Nacional de Antropología e Historia. pp. 119–164. ISBN 978-607-539-158-8.{{cite book}}: CS1 maint: multiple names: authors list (link)
  31. ^ Gutiérrez, Gerardo, and Mariana Lujan Sanders (2018). "Materialidad y paleta de colores del Códice Maya de México por fluorescencia de rayos X (XRF)". El Códice Maya de México, antes Grolier. Ciudad de México: Instituto Nacional de Antropología e Historia. pp. 185–204. ISBN 978-607-539-158-8.{{cite book}}: CS1 maint: multiple names: authors list (link)
  32. ^ a b Pedraza-Lara, Carlos, and Margarita Ojeda (2018). "Observaciones sobre el Códice Maya de México en aspectos entomológicos". El Códice Maya de México, antes Grolier. Ciudad de México: Instituto Nacional de Antropología e Historia. pp. 93–108. ISBN 978-607-539-158-8.{{cite book}}: CS1 maint: multiple names: authors list (link)
  33. ^ Love, Bruce (August 2017). "Authenticity of the Grolier Codex remains in doubt". Mexicon. 39 (4): 88–95.
  34. ^ a b John, Carlson B. (1983). "The Grolier Codex: A Preliminary report on the content and authenticity of a 13th century Maya Venus almanac". Calendars in Mesoamerica and Peru: Native American computations of time. Oxford: British Archaeological Reports. pp. 27–57. ISBN 978-0860542230.
  35. ^ Yanagisawa, Saeko (2018). "El Códice Maya de México es un Códice de la Tradición Mixteca-Puebla?". El Códice Maya de México, antes Grolier. Ciudad de México: Instituto Nacional de Antropología e Historia. pp. 283–300. ISBN 978-607-539-158-8.
  36. ^ Stuart, David (2010). "Shinning Stones: Observations on the Ritual Meaning of Early Maya Stela". The Place of Stone Monuments: Context, Use and Meaning in Mesoamerica's Preclassic Transition. Washington D.C.: Dumbarton Oaks. pp. 283–298. ISBN 978-0884023647.
  37. ^ Carlson, John B. (2014). "The Grolier Codex". The Smoking Mirror. 22 (4): 2–7 – via Academia.
  38. ^ Farris, Nancy R. (1975). "Late Maya Mural Paintings from Quintana Roo, Mexico". Journal of Field Archaeology. 2 (1/2): 5–10 – via JSTOR.
  39. ^ Bower, Jessica (2016). "The Mayan Written Word: History, Controversy, and Library Connections". The International Journal of the Book. 14 (3): 15–25. doi:10.18848/1447-9516/CGP/v14i03/15-25 – via EBSCOhost Humanities Source.

References

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Wikimedia Commons has media related to Grolier Codex.
  • The Associated Press, 2018 Oldest Surviving Maya book declared authentic. CBC.
  • Carlson John B., 1983 The Grolier Codex: A Preliminary Report on the Content and Authenticity of a Thirteenth-Century Maya Venus Almanac. In  Calendars in Mesoamerica and Peru: Native American Computations of Time, edited by Anthony F. Aveni and Gordon Brotherston, pp. 27– 57. International Series 174, British Archaeological Reports, Oxford.
  • 2012-2013 The Twenty Masks of Venus: A Brief Report of Study and Commentary on the Thirteenth-Century Maya Grolier Codex, a Fragment of a 104-Year Hybrid-Style Maya Divinatory Venus Almanac. Archaeoastronomy, XXV, pp. 1–29. University of Texas Press.
  • 2014 The Grolier Codex: An Authentic 13th-Century Maya Divinatory Venus Almanac: New Revelations on the Oldest Surviving Book on Paper in the Ancient Americas. The Smoking Mirror, 22(4). pp. 2–7.
  • Baudez, Claude-François (May–June 2002), "Venus y el Códice Grolier" (PDF). Arqueología Mexicana (in Spanish). Mexico City, Mexico: Editorial Raíces. X (55): 70–79. Archived from the original (PDF) on 2010-02-06.
  • Bonello, Deborah, 2018 Mexican historians prove authenticity of looted ancient Maya text. The Telegraph.
  • Bricker, Harvey M., and Victoria R. Bricker, 2011 Venus and Mercury. In Astronomy in the Maya Codices. American Philosophical Society, pp. 219–229.
  • Brito Guadarrama, Baltazar, 2018 El Códice Maya de México. Códice Grolier. In El Códice Maya de México, antes Grolier.INAH, Ciudad de México. pp. 1–14.
  • Buckley, James, 1973 Isotopes’ Radiocarbon Measurements X. Radiocarbon, 15(2), 280–298.
  • Coe, Michael D., 1973 The Maya Scribe and his World. The Grolier Club.
  • Coe, Michael, Mary Miller, Stephen Houston, and Karl Taube, 2015 The Fourth Maya Codex. Maya Archaeology, III. Precolumbian Mesoweb Press. San Francisco, CA.
  • Farriss, Nancy R. Arthur G. Miller, and Arlen F. Chase, 1975 Late Maya Mural Paintings from Quintana Roo, Mexico. Journal of Field Archaeology, 2 (1/2). pp. 5–10.
  • Gent, George, 1971 Manuscript Could Change Views on Mayas’ Religion. The New York Times.
  • González Tirado, Carolusa, 2018 La Materialidad del Códice Maya de México.El Códice Maya de México, antes Grolier. Ciudad de México: INAH.
  • Gutiérrez, Gerardo, and Baltazar Brito Guadarrama, 2018 Fechamiento AMS 14C del Códice Maya de México: el libro más antiguo de Mesoamérica. El Códice Maya de México, antes Grolier. Ciudad de México: INAH.
  • Instituto Nacional de Antroplogía e Historia, 2018 Boletín N0. 299: INAH Ratifica al Códice Maya de Mexico, antes llamado Grolier, como elmanuscrito auténtico más antiguo d América.
  • Martínez del Campo Lanz, 2018 El Lenguaje Intrínseco del Códice Maya de México. El Códice Maya de México, antes Grolier. Ciudad de México: INAH.
  • Martínez del Campo Lanz, Sofía, 2002 New Questions Concerning the Authenticity of the Grolier Codex. Latin American Indian Literature Journal, 18 (1).
  • Pedraza-Lara, Carlos, and Margarita Ojeda, 2018 Observaciones sobre el Códice Maya de México en aspectos entomológicos. El Códice Maya de México, antes Grolier. Ciudad de México: INAH.
  • Ruvalcaba, J. L., S. Zetina, H. Calvo del Castillo, E. Hernández, M. Meeren, and L. Sotelo, 2008 The Grolier Codex: A Non Destructive Study of a Possible Maya Document using Imaging and Ion Beam Techniques. Materials Research Society, 1047.
  • Sánchez Hernández, Ricardo, and Alaba Azucena Barrios Ruiz, 2018 Caraterización mineralógica y química de la imprimatura y los pigmentos del Códice Mayade México. In El Códice Maya de México, antes Grolier. Ciudad de México: INAH.
  • Solís, Corina, Miguel Ángel Martínez Carillo, María Rodríguez-Ceja, Efraín Rafael Chávez-Lomelí, and José Andrés, 2018 Datación del Códice Maya de México con adiocarbon y espectrometría de masa con aceleradores. El Códice Maya de México, antes Grolier. Ciudad de México: INAH.
  • Stevenson, Mark, 2018 Expertos de México autentican códice maya hace 1.000 años. The Associated Press.
  • Stuart, David, 2010 Shinning Stones: Observations on the Ritual Meaning of Early Maya Stela. The Place of Stone Monuments: Context, Use and Meaning in Mesoamerica's Preclassic Transition. Washington D.C.: Dumbarton Oaks. Pp. 283–298.
  • Thompson, J. Eric S. 1975 The Grolier Codex. In John A. Graham (ed.), Studies in Ancient Mesoamerica, 2. Berkeley: University of Berkeley of California Archaeological Research Facility, 27.
  • Yanagisawa, Saeko, 2018 El Códice Maya de México es un Códice de la Tradición Mixteca-Puebla? In El Códice Maya de México, antes Grolier. Ciudad de México: INAH. pp. 283–300.
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