Incoming Resources
- The national parks, America's best idea, Dayton Duncan, Ken Burns
- Eyewitness national parks, editor, Jennette ElNaggar
- National parks maps, illustrated maps of America's 62 national parks, by Abby Leighton
- Rand McNally road atlas 2021, large scale : United States
- The national parks, America's best idea : an illustrated history, by Dayton Duncan ; with a preface by Ken Burns