@book {5935, title = {Wilderness Areas of North America}, year = {1974}, note = {Illustrations}, publisher = {Funk \& Wagnails}, organization = {Funk \& Wagnails}, address = {New York}, keywords = {National Park Service, Wildlife management}, author = {Sutton, Ann and Sutton, Myron} } @book {5999, title = {The Appalachian Trail, Wilderness on the Doorstep}, year = {1967}, note = {Illustrations, Maps}, publisher = {Lippincott}, organization = {Lippincott}, edition = {1st}, address = {Philadelphia }, keywords = {Appalachian Trail, Hiking}, author = {Sutton, Ann and Sutton, Myron} }