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  1. North American plesiosaurs : by Samuel W. Williston -- ; Oliver C. Farrington -- Part I /
    By: Williston, Samuel W. (Samuel Wendell), - Farrington, Oliver C. (Oliver Cummings),
    Publication info: Chicago :Field Columbian Museum ,1903.
    Holding Institution: University Library, University of Illinois Urbana Champaign
    Subjects: Plesiosauria  
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  2. Die plesiosaurier der süddeutschen Liasformation /
    By: Dames, Wilhelm Barnim,
    Publication info: Berlin :Königl. Akademie der Wissenschaften,1895.
    Holding Institution: United States Geological Survey Libraries Program
    Subjects: Germany  Jurassic  Paleontology  Plesiosauria  
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