1. Oscar Diedrich von Engeln Standing at the Tarr Monument Collection: Images from the Rare Book and Manuscript Collections Location: Cornell University, Ithaca, New York Format: Image
2. Oscar Diedrich von Engeln Sitting on the Tarr Monument Collection: Images from the Rare Book and Manuscript Collections Location: Cornell University, Ithaca, New York Format: Image
3. Geology Students and Professor Collection: Images from the Rare Book and Manuscript Collections Format: Image Creator: Goldberg, Sol
4. Geology Students and Professor Collection: Images from the Rare Book and Manuscript Collections Format: Image Creator: Goldberg, Sol
5. Geology Students and Professor Collection: Images from the Rare Book and Manuscript Collections Format: Image Creator: Goldberg, Sol
6. Geology Students and Professor Collection: Images from the Rare Book and Manuscript Collections Date: 1952-05-16 Format: Image Creator: Goldberg, Sol
