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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Whalin, C. V. (Charles Vivion),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1919
    Holding Institution: Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
  2. By: Davis, William Clare, - Whalin, C. V. (Charles Vivion),
    Publication info: Washington, D.C, U.S. Dept. of Agriculture, 1924
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Burk, L. B. (Lloyd Byron), - Whalin, C. V. (Charles Vivion),
    Publication info: Washington, D.C, U.S. Dept of Agriculture, 1942
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library