1. Early syphilis in the Negro Author(s): Atkinson, I. Edmondson (Isaac Edmondson), 1846-1906, author Publication: Baltimore : J.H. Foster, [1877?] Subject(s): Syphilis -- epidemiologyAfrican Continental Ancestry GroupUnited States
2. Report of the Medical Board of Bellevue Hospital in reply to interrogatories of Isaac Townsend, President of the Board of Governors of the Alms House, upon constitutional syphilis Author(s): Bellevue Hospital. Medical Board. Publication: [New York? : s.n., 1855?] Subject(s): Syphilis -- epidemiologySex WorkSyphilis -- prevention & controlNew York City