This file contains correspondence with Hanson Puthuff regarding background paintings for habitat groups as well as correspondence regarding mountain sheep, mountain goat, and bison habitat groups.

This file contains mixed correspondence as well as correspondence regarding Museum closures and the layoff of Herman T. Beck and includes correspondence regarding the mounting of polar bear and bison skins for habitat groups.

This file contains mixed correspondence and includes correspondence regarding the shipment of specimens obtained on an expedition to Africa as well as information about a possible Gaur habitat group.

This file contains correspondence regarding the sea lion group, plaster casting of rocks for use in sea lion group foreground, and planning for background study paintings.

This file contains mixed correspondence as well as a price breakdown for the cost of various habitat groups across several major museums.

This file contains mixed correspondence and includes correspondence related to the Hall of African Mammals and the preparation of background paintings for habitat groups.

This file contains mixed correspondence and includes correspondence regarding the construction of the beaver habitat group and a lack of funding for a collecting expedition to Utah.

This file contains correspondence regarding a potential expedition to Alaska as well as information regarding a temporary suspension of work on the habitat groups due to the death of John Rowley.

This file contains mixed correspondence as well as correspondence regarding the otter habitat groups, budget restrictions on the Habitats division, and correspondence with the National Park Service regarding the collection of specimens.

This file contains salary and wage information, habitat group construction plans, and Alaskan expedition expense lists.