- The Kruger National Park: Wonders of an African Eden by BHB International, Nigel Dennis, et all 1997-07
- Animals Came Out Two by Two: Final Days of Windsor Safari Park by David Taylor, 1995-10-01
- Ethics on the Ark: Zoos, Animal Welfare, and Wildlife Conservation (Zoo and Aquarium Biology and Conservation) by Bryan G. Norton, Michael Hutchins, et all 1995-07
- SMITHSONIAN NEW ZOO by PAGE JAKE, 1990-04-17
- Keepers and Creatures at the National Zoo by Peggy Thomson, 1988-08
- Zoo 2000: A Look Beyond the Bars by Jeremy Cherfas, 1987-12
- Ark in the Park: Zoo in the Nineteenth Century by Wilfrid Blunt, 1976-04-29
- Pitcher-plants of Borneo by A. Phillipps, 1996-12-31
- National Parks of Australia (National parks of the world) by Allan Fox, 2000-06-30
- Yellowstone Wildlife: A Watcher's Guide (Wildlife watcher's guide) by Todd Wilkinson, 1992-06
- Kakadu Und Das Top End (German Edition) by Mattias Breiter, 1996-04-30
- Lone Star Guide to Texas Parks and Campgrounds, 4th Edition (Texas Parks & Campgrounds) by George Oxford Miller, 2003-06-25
- Record & Play - Zoo (Record and Play) by Roger Priddy, 2002-05-10
- Zoo Animals: From Elephant Trunks to Camel Humps (Twin Sisters Productions) by Kim Mitzo Thompson, 1995-09
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