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Multilingual
1
Welch, David, 525.93-W439m | Pitman Publishing | 1995 525.93-W439m,
2
Phillips, Leonard E., 525.93-P561p | McGraw-Hill Book Company | 1995 525.93-P561p,
3
Book Division, 525.95-B724n-R | National Geographic Society | 1995 525.95-B724n-R,
1
National Parks Conservation Association [, ]
2
National Recreation & Park Association [, ]