1. Dangers of the barber shop Author(s): Robbins, Henry Alfred, 1839-1911, author Publication: [Baltimore?] : [publisher not identified], 1898 Subject(s): Syphilis -- transmissionHair DiseasesBarbering
2. Odd methods of syphilitic inoculation Author(s): Judkins, William, 1847- author Publication: [New York?] : [publisher not identified], [1893?] Subject(s): Syphilis -- transmissionBarbering