An essay on the power of numbers, and the principles of harmony in poetical compositions. The second edition. By John Mason, A.M.

London : printed for J. Buckland in Pater-Noster-Row; and J. Waugh in Lombard-Street, M.DCC.LXI. [1761]

76p. ; 80.

ESTC T96204

Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. (Eighteenth century collections online). Available via the World Wide Web. Access limited by licensing agreements.