This file contains correspondence with the American Museum of Natural history regarding Museum collecting expeditions to Alaska and Africa, Museum patron Leslie Simson, and a pamphlet for the AMNH lecture with Theodore Roosevelt titled "Through Africa with Roosevelt."

This file contains correspondence regarding construction of the diorama halls as well as correspondence with Mrs. Carl Akeley regarding the sale of taxidermy mounts from the American Museum of Natural History. This file also includes correspondence with Jonas Brothers taxidermy studios and newspaper clipping featuring an article on the collaboration between Theodore Roosevelt and Carl Akeley.

This file contains mixed correspondence including correspondence with President Theodore Roosevelt regarding Hancock Park and the La Brea Tar Pits.