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  1. By: Pratt, G F - Ballmer, Gregory R
    Type: Article
    In: Journal of the Lepidopterists' Society
    Volume: 40
    Date: 1986
    Page Range: 127--127
    Publication Info: [New Haven, Conn.] Lepidopterists' Society 1959-
  2. By: Pratt, G F - Ballmer, Gregory R
    Type: Article
    In: The Journal of Research on the Lepidoptera
    Volume: 25
    Issue: 2
    Date: 1987
    Page Range: 121--135
    Publication Info: Arcadia, Calif Lepidoptera Research Foundation
  3. By: Ballmer, Gregory R - Pratt, G F
    Type: Article
    In: Journal of the Lepidopterists' Society
    Volume: 43
    Date: 1989
    Page Range: 59--65
    Publication Info: [New Haven, Conn.] Lepidopterists' Society 1959-
  4. By: Pratt, G F - Ballmer, Gregory R
    Type: Article
    In: Journal of the Lepidopterists' Society
    Volume: 45
    Date: 1991
    Page Range: 188--196
    Publication Info: [New Haven, Conn.] Lepidopterists' Society 1959-
  5. By: Ballmer, Gregory R - Pratt, G F
    Type: Article
    In: The Journal of Research on the Lepidoptera
    Volume: 30
    Issue: 1-2
    Date: 1991
    Page Range: 95--112
    Publication Info: Arcadia, Calif Lepidoptera Research Foundation
  6. By: Pratt, G F - Wright, David M. (David Manfred) - Pavulaan, H
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 96
    Date: 1994
    Page Range: 566--578
    Publication Info: Washington, etc, Entomological Society of Washington,
  7. By: Pratt, G F - Pierce, C L
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 103
    Date: 2001
    Page Range: 403--408
    Publication Info: Washington, etc, Entomological Society of Washington,