1. Excision of high rectal carcinoma without sacral resection Author(s): Senn, Nicholas, 1844-1908, author Publication: Philadelphia : [publisher not identified], 1899 Subject(s): Carcinoma -- surgeryRectal Neoplasms -- surgerySurgical Procedures, Operative
2. On the frequency of cryptorchism and its results Author(s): Senn, Nicholas, 1844-1908, author Publication: [New Orleans?] : [publisher not identified], [1899?] Subject(s): Cryptorchidism -- epidemiologyMilitary PersonnelIllinois