American Museum of Natural History, John Treadwell Nichols papers, 1888-1989, bulk 1890-1958. Mss .N531-N532.
American Museum of Natural History, John Treadwell Nichols papers, 1888-1989, bulk 1890-1958. Mss .N531-N532. https://data.library.amnh.org/archives/repositories/3/resources/107 Accessed December 03, 2024.