Este material está en dominio público en los demás países donde el derecho de autor se extiende por 70 años (o menos) tras la muerte del autor.
Esta obra se encuentra en el dominio público en los Estados Unidos porque cumple tres requisitos:
se publicó por primera vez fuera de este país (y no se publicó en los EE.UU. dentro de los siguientes 30 días),
se publicó por primera vez antes del 1 de marzo de 1989 sin aviso de derechos de autor o antes de 1964 sin renovación de derechos de autor o antes de que el país de origen estableciera tratados sobre derechos de autor con los Estados Unidos,
estaba en el dominio público en el país de origen en la fecha de URAA (1 de enero de 1996 para la mayoría de los países).
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.
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
Public domainPublic domainfalsefalse
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 (Italy) 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 (second case). Additionally, there must be verifiable information about previous publications of the work.