Quick view Compare Leidy, Joseph; Contributions to the Extinct Vertebrate Fauna of the Western Territories.
Quick view Compare Leidy, Joseph; Contributions to the Extinct Vertebrate Fauna of the Western Territories. 1873
Quick view Compare Leidy, Joseph; Cretaceous Reptiles in the United States. Smithsonian Contribution to Knowledge, #192, Washington DC, 1865.
Quick view Compare Leidy, Joseph; The Ancient Fauna of Nebraska, or a Description of Extinct Mammalian and Chelonia, from the Mauvaises Terres of Nebraska. Smithsonian Contribution to Knowledge, Vol 6, 1853.