Deep breathing : as a means of promoting the art of song, and of curing weaknesses and affections of the throat and lungs, especially consumption / by Sophia Marquise A. Ciccolina ; translated from the German by Edgar S. Werner.

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Deep breathing : as a means of promoting the art of song, and of curing weaknesses and affections of the throat and lungs, especially consumption / by Sophia Marquise A. Ciccolina ; translated from the German by Edgar S. Werner. Public Domain Mark. Source: Wellcome Collection.