In 1916 the Kansas Historical Society and Department of Archives published History of Kansas Newspapers: A History of the Newspapers and Magazines Published in Kansas from the Organization of Kansas Territory, 1854 to January 1, 1916. This book includes both a narrative history and a directory of papers published in the state.
This is a selective list of Kansas papers on microfilm available at KU. Check the KU Libraries Catalog for other titles.
The Kansas City Public Library has a 43-volume index of the city's major papers. It is available at the library.
Independent Missouri's Mid-Continent Public Library includes the Midwest Genealogy Center. This branch library focuses on family history and among their collections are a large holding of digitized historical newspapers. Of particular note, is the Kansas City Star from 1880 to the present. You must visit the library access these sources.
These databases provide access to a vareity of newspapers published in Kansas. Use the various limiting options to search only Kansas papers.
This is an alphabetical list of digitized papers from Lawrence . As such they are form a number of providers--some are free to view and others are behind KU's firewall. Please keep in mind that they are accessed through a variety of interfaces with different functions. Be warned, there are most likely missing issues and/or pages. The dates are not 100% accurate as some of these projects add and drop pages, but they are pretty close.