1. The value of the Leiter incandescent-lamp urethroscope in the diagnosis and treatment of chronic urethral discharges Author(s): Deaver, John B. (John Blair), 1855-1931, author Publication: Phila. : Lea Brothers & Co., [1890?] Subject(s): Urethral Diseases -- diagnosisUrethral Diseases -- therapyUreteroscopes
2. Clinical observations on endoscopy of the male urethra Author(s): Klotz, Hermann G. (Hermann Gustav), 1844- author Publication: [New York?] : [publisher not identified], [1886?] Subject(s): Urethral Diseases -- diagnosisEndoscopy