The Dairy Publications Collection consists mainly of papers relating to dairy programs, agricultural organizations, committees, conferences, reports, congressional testimony, marketing, and federal regulations.

The M. Truman Fossum Floriculture Collection include Fossum's business and personal correspondence, as well as reports and publications related to marketing, horticulture, and the floriculture industry in the United States and abroad.

The USDA Agricultural Marketing Service and Farm Market Photograph Collection consists primarily of slides of farm markets and associated marketing and transportation activities throughout the United States, with a few examples from foreign countries.