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  1. By: Simons, Elwyn L - Markgraff, Richard.
    Publication info: New York, N.Y, American Museum of Natural History, [1959]
    Holding Institution: American Museum of Natural History Library
  2. By: Simons, Elwyn L
    Publication info: New York, N.Y, American Museum of Natural History, c1995
    Holding Institution: American Museum of Natural History Library
  3. By: Rasmussen, D. Tab - Olson, Storrs L. - Simons, Elwyn L
    Publication info: Washington, D.C, Smithsonian Institution Press, 1987
    Holding Institution: Smithsonian Libraries and Archives
    BHL Collections: Unearthed! Smithsonian Libraries' Paleo Collection
  1. By: Simons, Elwyn L
    Type: Article
    In: Postilla
    Volume: 75
    Date: 1963
    Page Range: 1--11
    Publication Info: New Haven, Peabody Museum of Natural History, 1950-2004
  2. By: Simons, Elwyn L
    Type: Article
    In: Postilla
    Volume: 54
    Date: 1961
    Page Range: 1--20
    Publication Info: New Haven, Peabody Museum of Natural History, 1950-2004
  3. By: Simons, Elwyn L
    Type: Article
    In: Bulletin of the British Museum (Natural History) Geology
    Volume: 7
    Date: 1962
    Page Range: 1--36
    Publication Info: London, BM(NH),
  4. By: Simons, Elwyn L
    Type: Article
    In: Bulletin of the British Museum (Natural History) Geology
    Volume: 5
    Issue: 3
    Date: 1961-03-17
    Page Range: 43--70
    Publication Info: London, BM(NH),
  5. By: Simons, Elwyn L
    Type: Article
    In: Postilla
    Volume: no.64
    Date: 1962
    Page Range: 1--12
    Publication Info: New Haven, Peabody Museum of Natural History, 1950-2004