1. A contribution to the question of tuberculosis Author(s): Knapp, Herman, 1832-1911 Publication: New York : Knickerbocker Press, [1891] Subject(s): Tuberculosis, Ocular
2. 3000 questions on medical subjects: arranged for self-examination, with the proper references to standard works in which the correct replies will be found Publication: Philadelphia : P. Blakiston, Son & Co., 1891 Subject(s): Medicine