L'Ampélographie Viala et Vermorel est entrée dans le domaine public depuis le 11 février 2011. Viala, le dernier ayant droit, est décédé le 11 février 1936, son co-auteur Vermorel, en 1926, les illustrateurs Alexis Kreder, en 1912 et Jules Troncy, en 1915. Il en résulte donc que 500 planches de cépages sont désormais utilisables sur Commons étant libres de droits.

Die Viala- und Vermorel-Ampelographie ist seit dem 11. Februar 2011 öffentlich zugänglich. Viala, der letzte Begünstigte, starb am 11. Februar 1936, sein Mitautor Vermorel 1926, die Illustratoren Alexis Kreder 1912 und Jules Troncy 1915. Infolgedessen sind jetzt 500 Tafeln mit Traubensorten auf den rechtefreien Commons verwendbar.

This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer. You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.  Note that a few countries have copyright terms longer than 70 years: Mexico has 100 years, Jamaica has 95 years, Colombia has 80 years, and Guatemala and Samoa have 75 years. This image may not be in the public domain in these countries, which moreover do not implement the rule of the shorter term. Honduras has a general copyright term of 75 years, but it does implement the rule of the shorter term. Copyright may extend on works created by French who died for France in World War II (more information), Russians who served in the Eastern Front of World War II (known as the Great Patriotic War in Russia) and posthumously rehabilitated victims of Soviet repressions (more information).

This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.

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