50 years or more after author's death (Q29870405)
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copyright protection duration of 50 years from the death of the author(s)
- 50 years post mortem auctoris
- 50 years p.m.a.
- 50 years pma
- 50 PMA
- D-old-50
- author's death was 50 or more years ago
- death date of author was 50 or more years ago
- author died 50 or more years ago
- date of death of author was 50 or more years ago
- death of author was 50 or more years ago
| Language | Label | Description | Also known as |
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| English |
50 years or more after author's death
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copyright protection duration of 50 years from the death of the author(s)
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