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Authors whose works are in public domain in at least one jurisdiction

List of works by Paul Bartsch

Experiments in the breeding of cerions ⬇️

Washington, D.C., Carnegie Institution of Washington, 1920.

New species of shells collected by Mr. John Macoun of Barkley Sound, Vancouver Island, British Columbia ⬇️

Ottawa: Govt. Print. Bureau, 1910.

Notes on the Cretaceous flora of western Iowa ⬇️

n.p.,1896 | New York Botanical Garden, LuEsther T. Mertz Library

The bird rookeries of the Tortugas ⬇️

Washington: Govt. Print. Off., 1919.

The cyclophorid operculate land mollusks of America ⬇️

Washington,United States Govt. Print. Off.,1942. | Smithsonian Libraries

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