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  1. The bird rookeries of the Tortugas.
    By: Bartsch, Paul,
    Publication info: Washington :Govt. Print. Off.,1919.
    Contributed by: University of California Libraries (archive.org)
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  2. The cyclophorid operculate land mollusks of America,
    By: Torre y Huerta, Carlos de la, - Bartsch, Paul, - Morrison, Joseph Paul Eldred,
    Publication info: Washington,United States Govt. Print. Off.,1942.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Libraries
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  3. Experiments in the breeding of cerions.
    By: Bartsch, Paul,
    Publication info: Washington, D.C.,Carnegie Institution of Washington,1920.
    Contributed by: MBLWHOI Library, Woods Hole
    BHL Collections: MBLWHOI Library, Woods Hole
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  4. New species of shells collected by Mr. John Macoun of Barkley Sound, Vancouver Island, British Columbia /
    By: Dall, William Healey, - Bartsch, Paul, - Geological Survey of Canada.
    Publication info: Ottawa :Govt. Print. Bureau,1910.
    Contributed by: Canadiana.org (archive.org)
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  5. Notes on the Cretaceous flora of western Iowa.
    By: Bartsch, Paul,
    Publication info: n.p.,1896
    Contributed by: Mertz Library, The New York Botanical Garden
    BHL Collections: New York Botanical Garden
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