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  1. By: American Museum of Natural History. Department of Animal Behavior. - Hagan, Harold R., - Schneirla, T. C. (Theodore Christian),‏ ‎
    Publication info: 1954
    Holding Institution: American Museum of Natural History Library
  2. By: American Museum of Natural History. Department of Animal Behavior. - Hagan, Harold R., - Schneirla, T. C. (Theodore Christian),‏ ‎
    Publication info: 1954
    Holding Institution: American Museum of Natural History Library
  3. By: American Museum of Natural History. Department of Animal Behavior. - Hagan, Harold R., - Schneirla, T. C. (Theodore Christian),‏ ‎
    Publication info: 1954
    Holding Institution: American Museum of Natural History Library
  1. By: Hagan, Harold R.,
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 56
    Date: 1948
    Page Range: 63--68
    Publication Info: Lawrence, Kan Allen Press [etc.]
  2. By: Hagan, Harold R.,
    Type: Article
    In: Psyche
    Volume: 48
    Issue: 1
    Date: 1941
    Page Range: 1--8
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  3. By: Hagan, Harold R.,
    Type: Article
    In: Journal of the New York Entomological Society
    Volume: 64
    Date: 1956
    Page Range: 172--172
    Publication Info: Lawrence, Kan Allen Press [etc.]