A new system of midwifery, in four parts; founded on practical observations : the whole illustrated with copper plates. By Robert Wallace Johnson, ...
Johnson, Robert Wallace,1719 or 1720-
London : printed for the author, and sold by D. Wilson and G. Nicol,
1769.
ESTC
Also reproduced on microfilm. Woodbridge, CT: Research Publications, Inc., 1986. The Eighteenth Century ; reel 4122, no. 01.