Works
Catalogue status
A biological survey of North Dakota1926 · otherPublic domain in the USAnimal life of the Carlsbad cavern1928 · otherPublic domain in the USRevision of the Pocket Gophers of the Genus Thomomys1915 · otherPublic domain in the US
Catalogue clearance dates
When all indexed works clear
These dates cover only works listed on this page, not the creator's complete output.
- United States
- 2024-01-01
- United Kingdom
- 2013-01-01
- European Union
- 2013-01-01
- Canada
- 1993-01-01
- Australia
- 1993-01-01
- Japan
- 1993-01-01