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  1. By: Schroeder, Charles Robbins
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 23
    Issue: 21
    Date: 1938-12-31
    Page Range: 397--400
    Publication Info: New York,
  2. By: Schroeder, Charles Robbins
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 24
    Issue: 10
    Date: 1939-11-02
    Page Range: 265--283
    Publication Info: New York,
  3. By: Herman, Carlton M - Schroeder, Charles Robbins
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 24
    Issue: 20
    Date: 1939-11-02
    Page Range: 339--339
    Publication Info: New York,
  4. By: Jackson, Richard W - Dring, Thomas J. - Schroeder, Charles Robbins
    Type: Article
    In: Zoologica : scientific contributions of the New York Zoological Society
    Volume: 24
    Issue: 22
    Date: 1939-11-02
    Page Range: 345--354
    Publication Info: New York,