The Charles E. North Papers contain correspondence, articles, and reports on a variety of subjects related to the development of the dairy industry during the first half of the 20th century. The collection includes records concerning North's efforts in support of milk legislation, patents on processes and devices related to the milk industry, and photographs and motion pictures that reflect his determination to upgrade the sanitary standards for processing milk.

The Clair Elman Terrill Collection contains proofs and photographs for U.S. Department of Agriculture (USDA) bulletins and circulars, sheep and goat registry and breeding records, a card catalog of publications on rabbits, and black and white photographs of rabbits and related subjects. There are papers related to the U.S. Rabbit Experiment Station in Fontana, California, and the U.S. Fur Experiment Station in Ithaca, New York. Also included are photographs, glass and acetate negatives, equipment, and wool samples used in Hardy's work for the U.S. Animal Husbandry Experiment Station (part of the USDA Division of Animal Husbandry) and his thin cross-section device. There are records of the Sheep and Fur Animal Research Branch, Animal Husbandry Division, Agricultural Research Service. Additionally, the collection contains over 200 wool samples from 1950 to 1960 labeled with sheep identification number, location, and date. Samples were obtained in Beltsville, Maryland, and other locations in the United States.

This collection contains pamphlets, publications, and printed materials relating to agricultural education. The topics include the management of short courses and service projects, creating extension plans, training for farm work, preparing for the fair, and information for the War Emergency Program (World War II).