Battle of Allatoona Pass / Thulstrup., L. Prang & Co., publisher https://www.rawpixel.com/image/7688736/battle-allatoona-pass-thulstrup-prang-co-publisherFree Image from public domain licenseThe Allatoona Pass Looking North, Georgia by George N Barnard https://www.rawpixel.com/image/14312525/the-allatoona-pass-looking-north-georgia-george-barnardFree Image from public domain licenseThe Allatoona Pass Looking North, Georgia by George N Barnard https://www.rawpixel.com/image/14285682/the-allatoona-pass-looking-north-georgia-george-barnardFree Image from public domain license