Gray, I., & Hazard, E. (1778). A serious address to such of the people called Quakers, on the continent of North America, as profess scruples relative to the present government: Exhibiting the ancient real testimony of that people, concerning obedience to civil authority (2nd ed.). Philadelphia: Printed by Styner and Cist, at the north-east corner of Race- and Second-streets.

Gray, Isaac, and Ebenezer Hazard. A Serious Address to Such of the People Called Quakers, On the Continent of North America, As Profess Scruples Relative to the Present Government: Exhibiting the Ancient Real Testimony of That People, Concerning Obedience to Civil Authority. 2nd ed. Philadelphia: Printed by Styner and Cist, at the north-east corner of Race- and Second-streets, 1778.

Gray, Isaac, and Ebenezer Hazard. A Serious Address to Such of the People Called Quakers, On the Continent of North America, As Profess Scruples Relative to the Present Government: Exhibiting the Ancient Real Testimony of That People, Concerning Obedience to Civil Authority. 2nd ed. Philadelphia: Printed by Styner and Cist, at the north-east corner of Race- and Second-streets, 1778.