The Seven Wonders of the New World, J. K. Peck
The Snake Dance of the Moqui, J. G. Bourke
The Spell of the Yukon, Robert W. Service
The Winning of the Far West, McElroy
The Yellowstone National Park Historical and Descriptive, Chittenden
The Yosemite Valley, The Discovery of, L. H. Bunnell
Trees of California, Jepson
Trees of the Northern United States, A. C. Apgar
Two Great Canyons, C. C. Cole
Western Bird Guide, Margaret Armstrong