Rieger Hotel
- Renovation of a 1915 historic "traveler's hotel" in Crossroads District into lofts and restaurant space. Offers history, old and new photos, and contact information.
- http://riegerhotel.com/

Jackson County Historical Society
- Promotes study and appreciation of local history at its museums and research facilities.
- http://www.jchs.org//

Kansas City Public Library: Special Collections
- Biographies, photographs, post cards, maps, genealogy, ethnic history, Western Americana, and Civil War information.
- http://www.kcpl.lib.mo.us/sc

Westport Historical Society
- The small village, which lies just north of the Plaza, is a unique place because its streets are filled with history and mystery. We work hard to keep the history alive and to delve deep into the mysteries left by the people who came before us.
- http://www.westporthistorical.org/