Intellectual arithmetic, upon the inductive method of instruction, 660 - Chandler Collection no. 14, Volume: Archives Chandler Collection no. 14. Clarion University Archives.

Intellectual arithmetic, upon the inductive method of instruction, 660 - Chandler Collection no. 14, Volume: Archives Chandler Collection no. 14. Clarion University Archives. http://as-clarion.klnpa.org/repositories/2/resources/995 Accessed December 23, 2025.