New and complete system of arithmetic : composed for the use of the citizens of the United States, 660 - Chandler Collection no. 6, Volume: Archives Chandler Collection no. 6. Clarion University Archives.

New and complete system of arithmetic : composed for the use of the citizens of the United States, 660 - Chandler Collection no. 6, Volume: Archives Chandler Collection no. 6. Clarion University Archives. http://as-clarion.klnpa.org/repositories/2/resources/987 Accessed December 23, 2025.