John Thiesen is archivist at the Mennonite Library and Archives and co-director of libraries at Bethel College in North Newton, Kansas.
- Review of Johann Cornies, Transformation on the Southern Ukrainian Steppe: Letters and Papers of Johann Cornies, Vol. 1, 1812-1835 (Toronto: University of Toronto Press, 2015)
- Harry Loewen, ed., Shepherds, Servants and Prophets: Leadership among the Russian Mennonites (ca. 1880-1960)