Appalachian Trail Conservancy. n.d. “Groups, Families and Pets.” Informational website. Appalachian Trail Conservancy. http://www.appalachiantrail.org/home/explore-the-trail/hiking-basics/groups-families-and-pets . 

Luxemberg, Larry. 1994. Walking the Appalachian Trail. Mechanicsburg: STACKPOLE BOOKS. Print.

Irwin Associates, Inc. n.d. “About Bill Irwin.” Personal Website. Bill Irwin: First and Only Blind Man To Hike the Appalachian Trail Alone. http://billirwin.com/aboutbillirwin.html .

Sutherland, Robert. 2014. “The Life and Death of A.T. Thru-Hiker Bill Irwin.” Appalachian Trail, March 19. https://appalachiantrail.com/20140319/life-death-thru-hiker-bill-irwin/ 

Tuveson, Erin. 2016. “How I Hiked the Appalachian Trail with My Dog.” The Honest Kitchen, January. https://www.thehonestkitchen.com/blog/hiked-appalachian-trail-dog/ .

Ballard, Lisa Densmore. 2013. “Hiking With Dogs: A Guide to Bringing Your Best Friend on the Trail.” Outdoor Magazine, June 25. https://www.outdoors.org/articles/amc-outdoors/hiking-with-dogs-a-guide-to-bringing-your-best-friend-on-the-trail/ .

Boys Scouts of America -- "The Principles of Leave No Trace". http://www.scouting.org/scoutsource/BoyScouts/TeachingLeaveNoTrace/064_principles.aspx