1. Report of the director of the Bureau of Medical Service Author(s): United States Centennial Commission. Bureau of Medical Service. Publication: [Philadelphia : s.n., 1877?] Subject(s): Health Services AdministrationHealth Services -- utilizationPhiladelphiaCentennial Exhibition
2. Report of the director of the Bureau of Medical Service Author(s): United States Centennial Commission. Bureau of Medical Service. Publication: [Philadelphia? : s.n., 1877?] Subject(s): Health Services AdministrationHealth Services -- utilizationPhiladelphiaCentennial Exhibition