Contains thirteen 3 1/4" reel-to-reel tapes. Recordings include a radio program about American history, dictations of family history records, mainly in Ohio, K. Haybron Adams' diaries, and audio letters to and from K. Haybron Adams and his parents. Dated approximately 1967 to 1979.

Contains Adams's professional files related to Special Collections and General Collections, including newsletters, research, correspondence, committee information, and budget information from 1976-2001.

Contains correspondence and meeting minutes from various library committees and departments, including the Administrative Council, Haybron Adams, and the Learning Resource Committee. Dates from 1954 to 2005.

Contains correspondence of Adams and other Harold B. Lee library employees from 1977-2001.

Contains the research records of Adams from 1974-2001. Includes information collected by Adams in conducting research for the General Authorities of the Church of Jesus Christ of Latter-day Saints.