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Please read BHL's Acknowledgment of Harmful Content
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  1. By: McAtee, W. L. (Waldo Lee) - Piper, Stanley E. (Stanley Edward)
    Publication info: Washington, U.S. Govt. Print. Off, 1936]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Piper, Stanley E. (Stanley Edward)
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library