This bibliography is by no means exhaustive. It is intended only as a starting point, reflecting various viewpoints on the subjects and various aspects of Voth's activity. Also includes several J. B. Frey items.
Adrian, Marlin Wayne. "Mennonites, Missionaries, and Native Americans." Ph. D. dissertation, University of Virginia, 1989.
Barrett, Lois. The Vision and the Reality: The Story of Home Missions in the General Conference Mennonite Church. Newton, KS: Faith and Life Press, 1983.
Dorsey, George Amos. The Stanley-McCormick Hopi Expeditions. N.p., 1901. (offprint from Science, Feb. 8, 1901; 9pp.)
Frey, J. B. "My Graduation from Bethel College and Our Fifty Year Missionary Career Since." 12pp. (in our MsF collection; see also SA.II.222)
Hiebert, Russell. "J. B. Frey: Missionary to the Hopis." Student paper, Bethel College, 1967.
James, Harry C. Pages from Hopi History. Tucson, AZ: University of Arizona Press, 1974.
Kaufman, Edmund G. General Conference Mennonite Pioneers. North Newton, KS: Bethel College, 1973. pp. 326-333 on H. R. Voth
Thiesen, Daniel S. "The Jacob B. Frey Story." 19pp. typescript
Trotta, Cathy Ann. "Crossing Cultural Boundaries: Heinrich and Martha Moser Voth in the Hopi Pueblos." Ph. D. dissertation, Northern Arizona University, 1997.
Voth, H. R. "Historical Notes of the First Decade of the Mennonite Mission Work among the Hopi of Arizona, 1893-1902." 9pp. (in our MsF collection)
Voth, Timothy. "H. R. Voth." Seminar paper, Bethel College, 1975.
Wright, Barton. Hopi Material Culture: Artifacts Gathered by H. R. Voth in the Fred Harvey Collection. Flagstaff, AZ: Northland Press, 1979.