The collection consists mainly of photographs, negatives, and slides of portraits and scenic views of Missouri and Southern California. In addition to the images, there are a few textual items including financial documents, newspaper clippings, miscellaneous ticket stubs and pamphlets that Knight collected, and correspondence (mostly postcards) to or from Carl Knight's sister, Pansy M. Knight.

Includes deeds, contracts, and titles; business records, correspondence, and notes.