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  1. By: Gertsch, Willis John,
    Publication info: New York City, The American Museum of Natural History, [1942]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.54,4C(7)  America  Arachnida  Classification  Clubionidae  Spiders  United States
  2. By: Gertsch, Willis John,
    Publication info: New York City, The American Museum of Natural History, [1941]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.54,4C(7)  Arachnida  Classification  Clubionidae  North America  Spiders  United States
  3. By: Gertsch, Willis John,
    Publication info: New York City, The American Museum of Natural History, [1941]
    Holding Institution: American Museum of Natural History Library
    Subjects: 59.54,4C(7)  Arachnida  Classification  Clubionidae  North America  Spiders  United States