Guyot’s Common School Geography / [Arnold Guyot], 660 - Chandler Collection no. 191, Volume: Archives Chandler Collection no. 191. Clarion University Archives.

Guyot’s Common School Geography / [Arnold Guyot], 660 - Chandler Collection no. 191, Volume: Archives Chandler Collection no. 191. Clarion University Archives. http://as-clarion.klnpa.org/repositories/2/resources/1171 Accessed December 17, 2025.