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 since publication until 1948).[2]
It is a work of a Mexican government (federal, state, or municipal) and it was published before more than 100 years ago (before 1 January 1924).[3]
Anonymous works are considered in the public domain until the author or the owner of the rights are identified.[4]