Mason, J. M. 1. (1800). The voice of warning: To Christians, on the ensuing election of a president of the United States. New-York: Printed and sold by G.F. Hopkins, at Washington's head, no. 136, Pearl-street..

Mason, John M. 1770-1829. The Voice of Warning: To Christians, On the Ensuing Election of a President of the United States. New-York: Printed and sold by G.F. Hopkins, at Washington's head, no. 136, Pearl-street., 1800.

Mason, John M. 1770-1829. The Voice of Warning: To Christians, On the Ensuing Election of a President of the United States. New-York: Printed and sold by G.F. Hopkins, at Washington's head, no. 136, Pearl-street., 1800.