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  1. By: Pray, Leon Luther, - Dahlgren, B. E. (Bror Eric),
    Publication info: Chicago, Field Museum of Natural History, 1936
    Holding Institution: University Library, University of Illinois Urbana Champaign
  1. By: Pray, Leon Luther,
    Type: Article
    In: Field Museum news
    Volume: 7
    Issue: 10
    Date: 1936
    Page Range: 2--2
    Publication Info: Chicago, Field Museum of Natural History, [1930-1943]
  2. By: Pray, Leon Luther,
    Type: Article
    In: Field Museum news
    Volume: 13
    Issue: 10
    Date: 1942
    Page Range: 4--4
    Publication Info: Chicago, Field Museum of Natural History, [1930-1943]
  3. By: Kirk, George Leavitt, - Pray, Leon Luther, - Loring, J Alden - Warren, Edward Royal, - Anthony, A. W. (Alfred Webster), - Skinner, M P - Howell, A. Brazier (Alfred Brazier),
    Type: Article
    In: Journal of mammalogy
    Volume: 2
    Date: 1921
    Page Range: 109--117
    Publication Info: Baltimore, Md, American Society of Mammalogists,