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  1. By: Koopman, Karl F. - Ruibal, R
    Type: Article
    In: Breviora
    Volume: 46
    Date: 1955
    Page Range: 1--8
    Publication Info: Cambridge, Mass Museum of Comparative Zoology, Harvard University [1952-
  2. By: Ruibal, R
    Type: Article
    In: Breviora
    Volume: 105
    Date: 1959
    Page Range: 1--14
    Publication Info: Cambridge, Mass Museum of Comparative Zoology, Harvard University [1952-
  3. By: Ruibal, R - Williams, Ernest E. (Ernest Edward)
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 125
    Date: 1961
    Page Range: 211--246
    Publication Info: Cambridge, Mass The Museum 1863-
  4. By: Ruibal, R - Williams, Ernest E. (Ernest Edward)
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 125
    Date: 1961
    Page Range: 209--246
    Publication Info: Cambridge, Mass The Museum 1863-
  5. By: Ruibal, R - Williams, Ernest E. (Ernest Edward)
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 125
    Date: 1961
    Page Range: 181--208
    Publication Info: Cambridge, Mass The Museum 1863-
  6. By: Ruibal, R
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 130
    Date: 1964
    Page Range: 473--520
    Publication Info: Cambridge, Mass The Museum 1863-
  7. By: Ruibal, R
    Type: Article
    In: Bulletin of the Museum of Comparative Zoology at Harvard College
    Volume: 130
    Date: 1964
    Page Range: 475--520
    Publication Info: Cambridge, Mass The Museum 1863-