1. An essay on the means of lessening pain, and facilitating certain cases of difficult parturition Author(s): Dewees, William P. (William Potts), 1768-1841 Publication: Philadelphia : Printed for the author, by John H. Oswald, 1806 Subject(s): Labor Pain -- therapyObstetric Labor Complications -- therapy
2. An essay on the means of lessening the pains of parturition Author(s): Miller, Peter, 1773-1848 Publication: Philadelphia : Printed for the author by Hugh Maxwell ..., 1804 Subject(s): Labor Pain -- therapy
