The papers of Daniel Mulford Valentine, a member of the Kansas Legislature and an associate justice of the Kansas Supreme Court from 1868 to 1893, contain his appointment notices, various property records, and writings. His writings include a history of Franklin County in Kansas Territory. Also in the colletion are some photographs and various records of Franklin County land transactions prior to Kansas Statehood.

The Earl O’Connor collection contains correspondence, court documents, awards, plaques, speech scripts, law school notes, and photographs pertaining to O’Connor’s work with the Johnson County (Kansas) Attorney’s office, District Judge, Kansas Supreme Court, and the Tenth Circuit Court of Appeals.