1. Herbert I. Margolis (1900-1984);Shapiro;Am J Orthod,1984
2. Harold D. Kesling (1901-1979);Am J Orthod,1980
3. No author given. Kesling Electric YARE proves electrifying (Straight-Talk brochure, June 1977). Available at: http://www.ebay.com/itm/1977-Yare-Electric-Streamline-Car-Brochure-wo4141-ACMOC2-/370769902601?rmvSB=true. Accessed March 22, 2015.
4. Silas J. Kloehn, 1902-1985;Angle Orthod,1985
5. Orthodontics in 3 millennia. Chapter 6: more early 20th-century appliances and the extraction controversy;Wahl;Am J Orthod Dentofacial Orthop,2005