- A New System of Midwifery, in Four Parts; Founded on Practical Observations: The Whole Illustrated with Copper Plates. by Robert Wallace Johnson, ...
- Some friendly cautions to the heads of families, and others, very necessary to be observed, in order to preserve health and long life. ... Third ... By Robert Wallace Johnson, M.D. At Brentford.
- Some Friendly Cautions to the Heads of Families, and Others: Very Necessary to Be Observed, in Order to Preserve Health and Long Life. Containing ... Who Attend the Sick, Women in Child-bed, &c
- A new system of midwifery, in four parts; founded on practical observations. The whole illustrated with copper plates. By Robert Wallace Johnson, M.D. The second edition, with additions.