1. Preliminary announcement of the first Pan-American Medical Congress: to be held at Washington, D.C., U.S.A., September 5th, 6th, 7th and 8th, A.D. 1893 Author(s): Pan-American Medical Congress 1893 : Washington, D.C.), author. Publication: [United States?] : [publisher not identified], [1893?] Subject(s): MedicineCongresses as TopicPan-American Medical Congress