1. Charter and by-laws of The Mutual Aid Association of the Philadelphia County Medical Society: instituted May 6th, A.D. 1878, incorporated Sept. 25th, A.D. 1878 Author(s): Mutual Aid Association of the Philadelphia County Medical Society. Publication: Philadelphia : Collins, printer, 1878 Subject(s): Societies, Medical -- organization & administrationConstitution and BylawsSocial WelfarePennsylvaniaMutual Aid Association of the Philadelphia County Medical Society.
