— Calaveras Gold, The Impact of Mining on a Mother Lode County

— Tungsten in Peace and War, 1918–1946

Ronald H. Limbaugh is an Idaho native and graduate of the University of Idaho (Ph.D. 1967). He retired in 2000 after thirty-four years teaching American history at the University of the Pacific. A western regional specialist, he has written a number of books and articles on a variety of topics, including territorial politics, mining, John Muir, and family history.