English: Signature taken from correspondence from Christian Jacob Wolle to John Torrey, dated 1838. Digitized under grant #PW-234827-16 from the National Endowment for the Humanities (NEH), with additional support from Carnegie Corporation of New York. The BHL considers that this work is no longer under copyright protection. Public domain.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
Captions
Signature taken from correspondence between Christian Jacob Wolle and John Torrey, 1838.