"This Was Cattle Ranching: Yesterday and Today", Superior Publishing Company, Seattle, Washington, 1973* Ward, Delbert R. "Great Ranches of the United States", Ganada Press, San Antonio, Texas, 1993, paperback, ISBN 7-88051-025-1* The Canadian Museum of Civilization - Native Ranching and Rodeo Life on the Plains and Plateau* "The Handbook of Texas Online:" Ranching* "Society for Range Management"* "Western Watersheds Project"* Cattle Ranges of the Southwest, published 1898, hosted by the Portal to Texas History* Guide to ranch archives in Southwest Collection/Special Collections Library at Texas Tech* Cowboys to Cattlemen Virtual Museum Exhibit and Lesson Plans at Grant-Kohrs Ranch NHS from National Park Service
"This Was Cattle Ranching: Yesterday and Today", Superior Publishing Company, Seattle, Washington, 1973* Ward, Delbert R. "Great Ranches of the United States", Ganada Press, San Antonio, Texas, 1993, paperback, ISBN 1-88051-025-1==External links==*The Canadian Museum of Civilization - Native Ranching and Rodeo Life on the Plains and Plateau*"The Handbook of Texas Online:" Ranching*"Society for Range Management"*"Western Watersheds Project"*Cattle Ranges of the Southwest, published 1898, hosted by the Portal to Texas History*Guide to ranch archives in Southwest Collection/Special Collections Library at Texas Tech*Cowboys to Cattlemen Virtual Museum Exhibit and Lesson Plans at Grant-Kohrs Ranch NHS from National Park Service