- THE YELLOWSTONE NATIONAL PARK. HISTORICAL AND DESCRIPTIVE [F2] by H. Chittenden, 1900
- How to See Kamikochi : Japan Alps National Park by Japan Travel Bureau, 1947
- I WALK WITH LIONS. THE STORY OF AFRICA'S GREAT ANIMAL PRESERVES, THE ROYAL NATIONAL PARKS OF KENYA, AS TOLD BY THEIR FIRST DIRECTOR. by M. Cowie, 1961
- How to See Kamikochi : Japan Alps National Park by Japan Travel Bureau, 1947
- Creation of the Teton Landscape: The Geologic Story of Grand Teton National Park by J.D., and John C. Reed, Jr. Love, 1975
- AN ECOLOGICAL STUDY OF THE GOLDEN MOUSE, OCHROTOMYS NUTTALLI, IN THE GREAT SMOKY MOUNTAINS NATIONAL PARK. by D. Linzey, 1968
- The National Parks: Camping Guide by Ranger Activities Division and the Division of Publications National Park Service, 1991
- ECOLOGY OF THE 18 SPECIES OF CHIROPTERA AT BIG BEND NATIONAL PARK, TEXAS. P ARTS I and II. by D. Easterla, 1973
- Nature's Wonderland, National Parks of the World by National Geographic, 1989
- ROCKY MOUNTAIN NATIONAL PARK DAYHIKER'S GUIDE. A SCENIC GUIDE TO 33 FAVORITE HIKES INCLUDING LONGS PEAK. by J. Malitz, 1993
- Guardians of the Parks A History of the National Parks and Conservation Association by John C. Miles, 1995
- THE RELATION OF WILD LIFE TO THE PUBLIC IN NATIONAL AND STATE PARKS with THE BIG GAME ANIMALS OF YELLOWSTONE NATIONAL PARK By E. Heller & THE FOOD OF TROUT IN YELLOWSTONE NATIONAL PARK By R. Muttkowski by C., Et al. Adams, 1925
- Carlsbad Caverns National Park New Mexico: Its Early Explorations (Jim White's Story of Carlsbad Caverns) by Jim White, 1951
- NATIONAL PARK SERVICE. POPULAR STUDY SERIES. HISTORY NO. 1 -NO. 14. by National Park Service U.S. Department of the Interior, 1941
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