English: Otto Rühle (23 October 1874 in Großschirma – 24 June 1943 in Mexico) was a student of Alfred Adler and a German Marxist active in opposition to both the First and Second World Wars.
Data
abans 1943
date QS:P, 1943-00-00T00:00:00Z/7,P1326, 1943-00-00T00:00:00Z/9
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]
Aquest material està en domini públic als Estats Units i als altres països on el dret d'autor s'estén per 80 anys (o menys) després de la mort de l'autor.
This work is in the public domain in the United States because it meets three requirements:
it was first published outside the United States (and not published in the U.S. within 30 days),
it was first published before 1 March 1989 without copyright notice or before 1964 without copyright renewal or before the source country established copyright relations with the United States,
it was in the public domain in its home country (Mexico) on the URAA date (1 January 1996).
For background information, see the explanations on Non-U.S. copyrights. Note: in addition to this statement, there must be a statement on this page explaining why the work was PD on the URAA date in its source country. Additionally, there must be verifiable information about previous publications of the work.