Missouri Historical Society
- Information about the exhibits shown at this facility, scheduled programs and events, the library and research divisions, and membership requirements.
- http://www.mohistory.org/

Sportsman's Park
- Facts, figures and photos about the former home of the St. Louis Cardinals and Browns
- http://www.ballparks.com/baseball/american/sports.htm

Landmarks Association of Saint Louis, Inc.
- Pictures, illustrations and history of St. Louis landmarks.
- http://stlouis.missouri.org/501c/landmarks/index.html

Civil War St. Louis
- St. Louis and the Civil War from both Union and Confederate perspectives.
- http://www.civilwarstlouis.com/