Coombe, T., & Dunlap, J. (1775). A sermon, preached before the congregations of Christ Church and St. Peter's, Philadelphia, on Thursday, July 20, 1775: Being the day recommended by the Honorable Continental Congress for a general fast throughout the twelve United Colonies of North-America (2nd ed.). Philadelphia: Printed by John Dunlap, in Market-street..

Coombe, Thomas, and John Dunlap. A Sermon, Preached Before the Congregations of Christ Church and St. Peter's, Philadelphia, On Thursday, July 20, 1775: Being the Day Recommended By the Honorable Continental Congress for a General Fast Throughout the Twelve United Colonies of North-America. 2nd ed. Philadelphia: Printed by John Dunlap, in Market-street., 1775.

Coombe, Thomas, and John Dunlap. A Sermon, Preached Before the Congregations of Christ Church and St. Peter's, Philadelphia, On Thursday, July 20, 1775: Being the Day Recommended By the Honorable Continental Congress for a General Fast Throughout the Twelve United Colonies of North-America. 2nd ed. Philadelphia: Printed by John Dunlap, in Market-street., 1775.