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 marine mammal collections, the Southwest Museum, entomology and herpetology collecting expeditions to Mexico, collecting expeditions to West Africa, counterfeit Tikal ceramics, lectures and presentations, ornithology collections, dioramas and habitat groups, and whale collecting expeditions. This file includes exchanges with the Brookfield Zoo and Marineland of the Pacific.

This file contains science conference programs from the American Association for the Advancement of Science, Western Museums Conference, and American Association of Museums. Includes a Museums in Los Angeles County pamphlet, curator's salary questionnaire, loan receipts, and program for a lecture by Hildegarde Howard.

This file contains correspondence, class materials, handouts, and readings for a class titled Ecology of the Tropics, taught by Museum director Fred Truxal.

This file contains correspondence with the Education Division and includes information on the Museum lecture series.

This file contains correspondence regarding exhibitions planning and traveling exhibits and includes magazine clippings, Denver Museum lecture program flyers, and a newsletter from the American Institute of Biological Sciences.

This file contains mixed correspondence as well as a schedule of Museum lectures on Japanese art.

This file contains a schedule of lectures to accompany the Colombia Gold exhibit.

This file contains correspondence regarding a Mary Leakey lecture event.

This file contains a copy of the 1945 Metropolitan Club Bulletin naming Henry Wylde as a guest speaker.