A new system of midwifery, in four parts; founded on practical observations the whole illustrated with copper plates. By Robert Wallace Johnson, M. D.

London : printed for the author, and sold by D. Wilson and G. Nicol, opposite York-Buildings, in the Strand, M.DCC.LXIX. [1769]

[12],440p.,X plates ; 40.

ESTC T122137

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