The following publication contains information about George Gustav Lorentz:
Article: "The Hand of Providence: The Contrast in Fates of Two Enlisted Men of the 7th Cavalry at the Little Big Horn, George Gustav Lorentz, Company M and Peter Curtis Hall, Company D" by Todd E. Harburn and Charles Warner • Greasy Grass, Journal of the Custer Battlefield Historical & Museum Association, Vol. 38, May 2022.