1. A clinical report of cases treated by pneumatic differentiation Author(s): Williams, Herbert F., author Publication: [New York?] : [publisher not identified], [1886?] Subject(s): Lung Diseases -- therapyRespiratory Therapy -- methods
2. Pneumatic differentiation: proceedings of the Medical Society of the County of Kings, Brooklyn, N.Y., February 16 and March 16, 1886 Publication: [New York?] : D. Appleton & Co., [1886?] Subject(s): Lung Diseases -- therapyRespiratory Therapy -- methods