This work is in the public domain in Mexico for one of the following reasons:
Its author died before 1952 (Mexico had a term of 30 years after the author's death until 1982,[1] and no copyright term extension in 1982 or later restored copyright to expired works).
It is an artistic or literary work published before 1918 (Mexico had a term of 30 years until 1948).[2]
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