80 years after author's death (Q29940641)
copyright protection duration of 80 years from the death of the author(s)
- 80 years post mortem auctoris
- 80 years p.m.a.
- 80 years pma
| Language | Label | Description | Also known as |
|---|---|---|---|
| English |
80 years after author's death
|
copyright protection duration of 80 years from the death of the author(s)
|
|
Statements
80 year
0 references
31 December 1986