This file contains correspondence regarding a gorilla habitat group, entomology collections, archaeology collections, and a collecting expedition to Kenya.

This file contains correspondence regarding gorilla specimen collection, Museum master plans, and construction on the third floor.

This file contains correspondence with Robert H. Elder and George Adams regarding the Elder African expedition to collect gorilla specimens (canceled).

This file contains mixed correspondence including an exchange with the Chicago Field Museum regarding the purchase of gorilla specimens.

This file contains correspondence regarding the Maurice Machris habitat fund and includes information on the Arabian oryx group and loss of a gorilla specimen for a proposed lowland gorilla habitat group.

This file contains travel requests including travel related to the gorilla, elephant seal, and antelope habitat groups.