Notable items in the Kansas Collection include:
- A part of the William E. Connelley Collection containing original material relating to the Wyandot Nation dating back to its Ohio period. It also contains documents relating to the history of Kansas City, Kansas. The collection consists of artifacts, diaries, journals, manuscripts, mission records, land plats, maps and photographs. Some of the original materials in the collection date as far back as 1818.
- Kansas City, Kansas Public School Newspaper Clipping Scrapbooks covering a period from 1950 through 1960
- Photographs of Kansas City, Kansas Schools
- Historical Maps and Atlases
- Newspaper Clipping File encompassing Kansas, Wyandotte County, Kansas City, Kansas and a Biography File
- Council of Clubs Yearbooks 1910 through 1976
- Kansas State Law Books dating from 1857
- Poetry and fiction authored by Kansans or written about Kansas
- Kansas and locally published periodicals
- The Library's Government Document section is a part of the Kansas Collection. It is a selective depository for materials produced by agencies of the state, county and city governments. The library is a partial depository for selected Kansas Documents.