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Please read BHL's Acknowledgment of Harmful Content
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  1. By: Pack, H J
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 36
    Date: 1923
    Page Range: 85--89
    Publication Info: Washington, Biological Society of Washington,
  2. By: Pack, H J
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 36
    Date: 1923
    Page Range: 83--84
    Publication Info: Washington, Biological Society of Washington,
  3. By: Pack, H J
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 35
    Date: 1922
    Page Range: 1--3
    Publication Info: Washington, Biological Society of Washington,
  4. By: Pack, H J
    Type: Article
    In: Proceedings of the Biological Society of Washington
    Volume: 34
    Date: 1921
    Page Range: 63--66
    Publication Info: Washington, Biological Society of Washington,
  5. By: Knowlton, George F., - Pack, H J
    Type: Article
    In: The Pan-Pacific entomologist
    Volume: 6
    Date: 1930
    Page Range: 182--189
    Publication Info: San Francisco, Pacific Coast Entomological Society,