Porteus, B., & Joly, J. R. (1808). A summary of the principal evidences for the truth & divine origin of the Christian revelation.: To which is added the celebrated poem on death. Designed chiefly for the use of young persons. for Isaiah Thomas, jun., sold by him by Thomas and Whipple, Newburyport, and by Thomas and Tappan, Portsmouth, Isaac Sturtevant, printer.

Porteus, Beilby, and Jaspar Robert Joly. A Summary of the Principal Evidences for the Truth & Divine Origin of the Christian Revelation.: To Which Is Added the Celebrated Poem on Death. Designed Chiefly for the Use of Young Persons. for Isaiah Thomas, jun., sold by him by Thomas and Whipple, Newburyport, and by Thomas and Tappan, Portsmouth, Isaac Sturtevant, printer, 1808.