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 pain, and facilitating certain cases of difficult parturition Author(s): Dewees, William P. (William Potts), 1768-1841 Publication: Philadelphia : Published by Thomas Dobson and Son ..., 1819 Subject(s): Labor Pain -- therapyObstetric Labor Complications -- therapy
