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

Brentford : printed for the author, by P. Norbury; and sold by J. Johnson, ST. Paul's Church-Yard; R. Baldwin, Pater-Noster-Row; and G. Nicol and T. Cadell, Strand, London, M.DCC.LXXXVI. [1786]

viii,[4],453,[1]p.,Xplates ; 40.

The second edition, with additions.

ESTC T120315

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