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  1. By: Lawson, Fred Avery,
    Type: Article
    In: The Coleopterists' Bulletin
    Volume: 30
    Issue: 3
    Date: 1976-09
    Page Range: 285--288
    Publication Info: [Washington, D.C. etc.], Coleopterists' Society,
  2. By: Lawson, Fred Avery, - Lavigne, Robert J
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 86
    Date: 1984
    Page Range: 773--776
    Publication Info: Washington, etc, Entomological Society of Washington,