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  1. By: Colbert, Edwin H. - Waltz, Norman.
    Publication info: New York, N.Y, American Museum of Natural History, [1960]
    Holding Institution: American Museum of Natural History Library
  2. By: Colbert, Edwin H. - Waltz, Norman.
    Publication info: 1960
    Holding Institution: American Museum of Natural History Library
  1. By: Waltz, Norman.
    Type: Article
    In: Field Museum news
    Volume: 1
    Issue: 6
    Date: 1930
    Page Range: 3--3
    Publication Info: Chicago, Field Museum of Natural History, [1930-1943]