• 2 Books
• 1 Maps, Atlases

• 2 Paleontology
• 1 Graptolites
• 1 Groundwater

• 1 Clarke, John Mason, 1857-1925
• 1 Geological Survey (U.S.)
• 1 Hall, James, 1811-1898
• 1 Heath, Ralph C
• 1 New York (State). Natural History Survey
• 1 Ruedemann, Rudolf, 1864-1956
• 1 Simpson, George B. (George Bancroft), 1844-1901

• 3 English

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