Ogushwitz, G. S. (1988). Johan (John) Cohn, DDS: (lived in Phila. 1894-1899). Storrs, CT: Gertrude Singer Ogushwitz.
Chicago Style CitationOgushwitz, Gertrude Singer. Johan (John) Cohn, DDS: (lived in Phila. 1894-1899). Storrs, CT: Gertrude Singer Ogushwitz, 1988.
MLA CitationOgushwitz, Gertrude Singer. Johan (John) Cohn, DDS: (lived in Phila. 1894-1899). Storrs, CT: Gertrude Singer Ogushwitz, 1988.
Warning: These citations may not always be 100% accurate.