Pusey, C. (1703). Proteus ecclesiasticus, or, George Keith varied in fundamentalls: Acknowledged by himself to be such, and prov'd an apostat, from his own definition, arguments, and reasons ... : with remarks on Daniel Leed's abusive almanack for the year 1703, by way of postscript. Printed at Philadelphia: Reynier Jansen.

Pusey, Caleb. Proteus Ecclesiasticus, Or, George Keith Varied in Fundamentalls: Acknowledged By Himself to Be Such, and Prov'd an Apostat, From His Own Definition, Arguments, and Reasons ... : With Remarks On Daniel Leed's Abusive Almanack for the Year 1703, By Way of Postscript. Printed at Philadelphia: Reynier Jansen, 1703.

Pusey, Caleb. Proteus Ecclesiasticus, Or, George Keith Varied in Fundamentalls: Acknowledged By Himself to Be Such, and Prov'd an Apostat, From His Own Definition, Arguments, and Reasons ... : With Remarks On Daniel Leed's Abusive Almanack for the Year 1703, By Way of Postscript. Printed at Philadelphia: Reynier Jansen, 1703.