Shippee-Johnson Peruvian Expedition aerial nitrate negative collection, 1931-1999, NNC .S551. Museum Archives at the Gottesman Research Library.
Shippee-Johnson Peruvian Expedition aerial nitrate negative collection, 1931-1999, NNC .S551. Museum Archives at the Gottesman Research Library. https://data.library.amnh.org/archives/repositories/3/resources/9755 Accessed May 05, 2024.