The National Association of County Agricultural Agents Records consist of the constitution and by-laws of the NACAA, patents and trade names registrations, distinguished service awards lists, articles of incorporation, photographs, copies of the book History of the National Association of County Agricultural Agents, 1915-1960, and NACAA Educational Foundation applications and records.

The Philip Vincent Cardon Papers include correspondence, newspaper clippings, photographs, reprints, unpublished lectures and research papers, outlines and notes for radio talks and skits, and some memorabilia.

The William McLeod Rivera Papers consist of journals, papers both written and collected by Rivera, conference publications, correspondence, and information on courses taught by Rivera.