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  1. By: Williams, R. W.
    Type: Article
    In: The Auk
    Volume: 35
    Date: 1918
    Page Range: 477--477
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  2. By: Williams, R. W.
    Type: Article
    In: Bothalia
    Volume: 19
    Issue: 1
    Date: 1989-10-18
    Page Range: 31--32
    Publication Info: Pretoria Botanical Research Institute, Dept. of Agricultural Technical Services 1921-
  3. By: Williams, R. W.
    Type: Article
    In: Bulletin of the Brooklyn Entomological Society
    Volume: 36
    Series: new
    Date: 1941
    Page Range: 139--140
    Publication Info: Brooklyn, N.Y, The Society,
  4. By: Williams, R. W.
    Type: Article
    In: Psyche
    Volume: 48
    Issue: 4
    Date: 1941
    Page Range: 169--170
    Publication Info: Cambridge, Mass, Cambridge Entomological Club,
  5. By: Williams, R. W.
    Type: Article
    In: Entomological news
    Volume: 52
    Date: 1941
    Page Range: 271--273
    Publication Info: [Philadelphia], American Entomological Society, 1925-
  6. By: Williams, R. W.
    Type: Article
    In: The Auk
    Volume: 31
    Date: 1914
    Page Range: 494--498
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  7. By: Van Tets, Gerard F. - Johnstone, G W - Williams, R. W.
    Type: Article
    In: Papers and proceedings of the Royal Society of Tasmania
    Volume: 108
    Date: 1974
    Page Range: 111--111
    Publication Info: Hobart, Tasmania The Society
  8. By: Williams, R. W.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 58
    Series: 1956
    Date: 1957
    Page Range: 327--331
    Publication Info: Washington, etc, Entomological Society of Washington,
  9. By: Williams, R. W.
    Type: Article
    In: Proceedings of the Entomological Society of Washington
    Volume: 57
    Date: 1955
    Page Range: 269--274
    Publication Info: Washington, etc, Entomological Society of Washington,
  10. By: Williams, R. W.
    Type: Article
    In: The Auk
    Volume: 31
    Date: 1914
    Page Range: 251--252
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-
  11. By: Williams, R. W.
    Type: Article
    In: The Auk
    Volume: 36
    Date: 1919
    Page Range: 45--56
    Publication Info: Washington, D.C, American Ornithologists' Union, etc, 1884-