Rolt, R., & Dix, E. R. M. (1756). An impartial representation of the conduct of the several powers of Europe: Engaged in the late general war ... from ... 1739, to ... 1748. To which are added, letters between ... Voltaire and the author (3rd ed.). pr. by and for Phineas and George Bagnell.

Rolt, Richard, and E. R. McC Dix. An Impartial Representation of the Conduct of the Several Powers of Europe: Engaged in the Late General War ... from ... 1739, to ... 1748. To Which Are Added, Letters Between ... Voltaire and the Author. 3rd ed. pr. by and for Phineas and George Bagnell, 1756.