1. Trails
    1. Best Short Hikes in California's Southern Sierra, Karen and Terry Whitehill, Moutaineers (Society) 1991.
    2. The Tahoe Sierra: A Natural History Guide to 106 Hikes in the Northern Sierra, J. P. Schaffer, Wilderness Press, Berkeley Ca (1996).
  2. Plants
    1. Desert Wild Flowers, Stanford University Press, Stanford (1968).
    2. Discovering Sierra Trees, S. F. Arno, National Park Service 1973.
    3. Mentzelia, J of Nothern Nevada Native Plant Society 6, parts I and II, 1992.
    4. National Audubon Society Nature Guides Western Forests, Knopf, New York 1997.
    5. Manual of the Trees of North America, 2 vol, C. S. Sargent, Dover, New York 1961.
    6. The Autobon Society Filed Guide to North American Wild Flowers: Western Region, Knopf, New York (1979).
    7. Desert Wildflowers in natural color, N. N. Dodge, Krueger Co, Phoenix Az (1963).
    8. Weeds of the West, T. D. Whitson et al, Printer Pioneer of Jackson Hole, Jackson Wy 1992).
    9. Shrubs of the Great Basin: a natural history, H. N. Mozingo, Univ of Nevada Press, Reno Nevada (1987).
    10. Wildflowers 3: the sierra nevada, E. L. Horn, Touchstone Press, Beaverton Oregon (1976).
    11. Sagebrush Country: a wildflower Sanctuary, R.J. Taylor, Mountain Press Publishing, Missoula Mt (1992).
    12. The Audobon Society Nature Guides: Deserts, J. A. MacMahon, Knopf, New York (1985).
    13. The Audobon Society Field Guide to North American Trees: Western Region, E. L. Little, Knopf, New York (1980).
  3. Animals
    1. Field Guide to the Birds of North America, National Geographic Society, 1995.
    2. Nevada Wildlife Viewing Guide, J. L. Clark, Falcon Press, Helena Montana (1993).
    3. A Golden Guide: Spiders and their Kins, H.W. Levi, and L.R. Levi, Golden Press, New York (1968).
    4. The common insects of North America, L.A. Swan and C. S. Papp, Harper and Row Publishers, New York (1972).
    5. The Autobon Society Field Guide to North American Birds: Western Region, author: M.D.F Udvardy, Knopf, New York (1977).
    6. Peterson Field Guides: Animal Tracks, O. J. Murie, Houghton Mifflin Co, Boston (1974).
    7. Raptors: the bird of prey, S. Weidensaul, Lyons and Burford Publishers, New York (1996).
  4. Geology
    1. Rocks and Minerals, P. Bell and D. Wright, Macmillian Publishing Co, New York (1985).
    2. Minerals of the World, W. Schuman, Sterling Publishing Co., New York (1992).