Here are links to some interesting sites:

DEALERS

REBEL RELICS - Brian Akins

http://www.rebelrelics.com/

ARIZONA SWORDS

http://azswords.com/

AKINS AMERICANNA

http://akinsamericana.com/default.asp?1

COLLEGE HILL ARSENAL - Tim Prince

https://collegehillarsenal.com/

CS ARMS

http://csarms.com/

DAVE TAYLOR CIVIL WAR ANTIQUES

http://www.angelfire.com/oh3/civilwarantiques/1511webcat02.html

MIDDLE TENNESSEE CIVIL WAR RELICS - Larry Hicklen

http://www.midtenrelics.com/

MIDWEST CIVIL WAR RELICS

http://midwestcivilwarrelics.com/index.html

SHILOH CIVIL WAR RELICS - Rafael Eledge

http://shilohrelics.com/

STONES RIVER TRADING STORE

http://www.stonesrivertrading.com/index.htm

North Mississippi Relics

http://nmsrelics.com/

Trans-Mississippi Relics

https://www.trans-mississippirelics.com/

Dixie Relics 

Dixie Civil War Relics Home (dixierelics.com)

RESEARCH

Confederate Imprints

Duke University - they have scanned hundreds of their confederate Imprints

https://archive.org/details/dulci

US Military Manuals

http://www.storymindmedia.com/angryalien/military_manuals.htm

Matt who is a K-5 student, suggested I add this link on the Civil War in Illinois

www.homeadvisor.com/r/illinois-civil-war-history/