• Lewis and Clark through Indian Eyes, Alvin M Josephy, Jr, Ed. Vintage Books (2006)
  • The Journals of the Lewis & Clark Expedition, volumes 5 - 13. Gary E. Moulton, Ed. University of Nebraska Press (2002).
  • Lewis and Clark's Green World: The expedition and its plants, A. Scott Earle and James L. Reveal, Farcountry Press (2003).

Bitterroot Valley and Bitterroot Mountains

  • The Lolo Trail: A history of events connected with the Lolo Trail, Ralph S. Space, Printcraft Printing Inc. (1970).
  • Lewis & Clark in the Bitterroot. The Discovery Writers, Stoneydale Press (1998).
  • The Trail Between the Rivers, volume 1. Ted S. Hall, Stoneydale Press Publishing Co. (2000).
  • Hike Lewis and Clark's Idaho, Mary Aegerter and Steve F. Russell, University of Idaho Press (2002).
  • Bitterroot Crossing: Lewis & Clark across the Lolo Trail. Gene and Mollie Eastman, University of Idaho Library (2002).
  • Lewis and Clark's Mountain Wilds: A site guide to the plants and animals they encountered in the Bitterrroots. Sharon Anelia Ritter, University of Idaho Press (2002).
  • Lewis and Clark Across the Mountains: Mapping the Corps of Discovery in Idaho. Steve F. Russell. Idaho State Historical Society (2005).

Columbia River

  • Wakemap Mound: A stratified site on the Columbia River. Emory Strong, Ed. Oregon Archaeological Society (1959).
  • The Lewis and Clark Columbia River Water Trail: A guide for paddlers, hikers, and other explorers. Keith G. Hay. Timber Press (2004).
  • In Full View: A true and accurate account of Lewis and Clark's arrival at the Pacific Ocean. Rex Ziak, Moffitt House Press (2002).