- Paulson Brothers Ordnance Corporation
http://www.pbocorp.biz - Historical Ordnance Works
http://www.historicalordnanceworks.com/ - Hansen Wheel and Wagon Shop
http://www.hansenwheel.com/ - Shiloh Civil War Relics
http://www.shilohrelics.com/ - Civil War News
http://www.civilwarnews.com/ - The Artilleryman
http://www.artillerymanmagazine.com/ - The Regimental Quartermaster
http://www.regtqm.com/ - Ulysses S. Grant Presidential Library
http://www.usgrantlibrary.org/
