The Hylas Thompkins family papers document the lives of a long time Missouri family during the 1940s-1960s.

A list of blacks lynched in Missouri and Kansas from 1889-1942, with location of the incident, compiled in 1973.

This collection consists of cartes de visite, cabinet cards, paper prints, and other mounted prints of African Americans, many apparently from Missouri and others from other parts of the Midwest and Northwestern United States. Some of the images are identified, many are not. The collection is roughly organized by photographic process and then by identified groups or individuals first, unidentified following.