dcsimg
Please read BHL's Acknowledgment of Harmful Content
Sort By:
  1. By: Sperry, John L
    Type: Article
    In: Bulletin of the Southern California Academy of Sciences
    Volume: 50
    Date: 1951
    Page Range: 159--163
    Publication Info: Los Angeles, Calif, The Academy, 1902-1971
  2. By: Sperry, John L
    Type: Article
    In: Bulletin of the Brooklyn Entomological Society
    Volume: 44
    Series: new
    Issue: 5
    Date: 1949
    Page Range: 158--162
    Publication Info: Brooklyn, N.Y, The Society,
  3. By: Sperry, John L
    Type: Article
    In: Bulletin of the Southern California Academy of Sciences
    Volume: 53
    Date: 1954
    Page Range: 69--74
    Publication Info: Los Angeles, Calif, The Academy, 1902-1971
  4. By: Sperry, John L
    Type: Article
    In: Bulletin of the Southern California Academy of Sciences
    Volume: 51
    Issue: 3
    Date: 1952
    Page Range: 71--78
    Publication Info: Los Angeles, Calif, The Academy, 1902-1971
  5. By: Sperry, John L
    Type: Article
    In: Bulletin of the Brooklyn Entomological Society
    Volume: 48
    Series: new
    Date: 1953
    Page Range: 26--27
    Publication Info: Brooklyn, N.Y, The Society,
  6. By: Sperry, John L
    Type: Article
    In: Bulletin of the Brooklyn Entomological Society
    Volume: 41
    Series: new
    Date: 1946
    Page Range: 137--140
    Publication Info: Brooklyn, N.Y, The Society,