The Douglas County Historical Society was organized in 1933 by a group headed by Professor F. N. Raymond of the University of Kansas. This collection consists of manuscript and printed materials from a variety of individuals, businesses, and organizations associated with the history of Douglas County, Kansas, from its territorial settlment period of the 1850s through much of the 20th century, deposited by the Douglas County Historical Society with the Spencer Research Library.

Lawrence centennial celebration, September 23-28, 1954.

This collection of photographic materials relating to Lawrence, Kansas and its residents, businesses, buildings, and events spans the early 19th century through the late 20th century, therefore also spanning the history of photography itself. This is an artificial collection, meaning that the photographs herein come from a wide variety of sources and have been compiled by the Spencer Research Library into this single collection organized by subject matter.

Collected newspaper clippings from Lawrence- and Kansas City-based media outlets regarding the planning and celebration of the Lawrence Sesquicentennial in 2004.