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 100 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.
The protection period continues during the lifetime of the author of the work and for 70 years after his death.
For works published after the death of their author, the protection period is 70 years after the date of death.
In cases stated in the first paragraph of
Article 12, the protection period is 70 years from the date that the work is published, unless the author of the work discloses his name before the expiry of this period.
In case the author of the work is a
legal person, the protection period is 70 years from the date that the work is published.