1. Gymnastics of the voice: a system of correct breathing in singing and speaking, based upon physiological laws : a self-instructor in the training and use of the singing and speaking voice Author(s): Guttmann, Oskar, author Publication: Albany, N.Y. : Edgar S. Werner, 1882 Subject(s): Voice Training
2. The human voice: its anatomy, physiology, pathology, therapeutics, and training : with rules of order for lyceums Author(s): Trall, R. T. (Russell Thacher), 1812-1877 Publication: New York : Fowler & Wells, 1882 Subject(s): Voice -- physiologyVoice TrainingAcademies and Institutes -- organization & administration