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  1. By: Darsie, Richard F. - Tindall, Edward E - Barr, A. Ralph (Allan Ralph),
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 64
    Date: 1962
    Page Range: 167--170
    Publication Info: Washington, etc, Entomological Society of Washington,
  2. By: Barr, A. Ralph (Allan Ralph), - Al-Azawi, Abdulla
    Type: Article
    In: The University of Kansas science bulletin
    Volume: 39
    Issue: 6
    Date: 1958-11-18
    Page Range: 263--273
    Publication Info: [Lawrence], University of Kansas, [1926-1996]