The following publication contains information about Hollow Horn Bear:

Article: "Redskins in the White House" by Jay F. Kay • Truth, honor, loyalty and justice were part of Chiefi Hollow Horn Bear's makeup. • Golden West • Vol. 1, No. 3 • March 1965.

Article: "How Indian Boarding Schools have Impacted Generations Part One: Survivors" by Jenna Kunze • Native News Online • July 15, 2022 • Accessed July 17, 2022.