http://www.mocivilwar.org/home.html 

Civil War Heritage Foundation

http://mcwm.org/ 

Missouri Civil War Museum

https://www.sos.mo.gov/archives/mdh_splash/default?coll=stloucwproject

Missouri History Museum

https://en.wikipedia.org/wiki/Benton_Barracks

Benton Barracks

https://www.stltoday.com/news/local/govt-and-politics/look-back-civil-war-divides-st-louis-but-union-control/article_872402b8-939f-52c7-a162-81c0b8ca5524.html

Post-Dispatch Feature

http://www.altonweb.com/history/civilwar/index.html 

http://www.altonmuseum.com/html/civil_war.html 

Alton Museum

http://www.umsl.edu/mercantile/ 

https://www.slpl.org/?s=civil+war

St. Louis Public Library

http://www.nps.gov/jeff/planyourvisit/och.htm 

Old Courthouse

http://www.nps.gov/ulsg/index.htm 

General Grant

http://www.grantsfarm.com/ 

Grant’s Cabin

http://civilwarstlouis.org 

Civil War Roundtable

https://www.sos.mo.gov/archives/mdh_splash/default.asp?coll=cwflag

Flags

https://explorestlouis.com/itinerary/civil-war-in-st-louis/

St. Louis Attractions

In outstate Missouri and across the country

http://www.civilwartraveler.com/TRANS/MO/

http://www.starsandstripesmuseumlibrary.org/ 

In Bloomfield, Missouri, birthplace of the Stars and Stripes newspaper

http://www.sos.mo.gov/mdh/

http://www.mocivilwar.org/gray_ghosts_map.html 

Sites west of St. Louis in "Little Dixie."

https://www.history.com/topics/american-civil-war

History Channel

http://www.archives.gov/education/lessons/blacks-civil-war 

National Archives

http://www.civilwarstlouis.com/

Bookseller Site