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  1. By: Gertsch, Willis John, - Davis, L. Irby.
    Publication info: New York City, The American Museum of Natural History, [1946]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.54,4(72)  Arachnida  Classification  Linyphiidae  Mexico  Spiders
  2. By: Gertsch, Willis John, - Davis, L. Irby. - Davis, A. M. - Sanders, Ottys
    Publication info: New York City The American Museum of Natural History [1940]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.54,4(72)  Arachnida  Classification  Mexico  Spiders
  3. By: Gertsch, Willis John, - Davis, L. Irby. - Wagner, Helmuth Otto, - Bogert, Charles M. (Charles Mitchill), - Vokes, Harold Ernest, - Davis, A. M.
    Publication info: New York City, The American Museum of Natural History, [1942]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.54,4(72)  Arachnida  Classification  Mexico  Spiders
  4. By: Gertsch, Willis John, - Davis, L. Irby. - Davis, A. M.
    Publication info: New York City, The American Museum of Natural History, [1940]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.54,4(72)  Arachnida  Classification  Mexico  Spiders
  5. By: Gertsch, Willis John, - Davis, L. Irby. - Davis, A. M.
    Publication info: New York City, The American Museum of Natural History, [1937]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.54,4(72)  Arachnida  Classification  Mexico  Spiders