Incoming Resources
- Wildlife research and management in the national parks, R. Gerald Wright
- Mammals of the national parks, Richard G. Van Gelder
- Mission 66, modernism and the National Park dilemma, Ethan Carr
- The capacity for wonder, preserving national parks, William R. Lowry
- Our national park system, caring for America's greatest natural and historic treasures, Dwight F. Rettie ; foreword by Stewart L. Udall
- Mammoth Cave National Park, reflections, Raymond Klass ; with a foreword by Ronald Switzer
- The national parks, America's best idea, a Florentine Films production ; a film by Ken Burns ; written by Dayton Duncan ; produced by Dayton Duncan, Ken Burns ; WETA
- The hour of land, a personal topography of America's national parks, Terry Tempest Williams
- The national parks, America's best idea : an illustrated history, by Dayton Duncan ; with a preface by Ken Burns