Voice building and tone placing : showing a new method of relieving injured vocal cords by tone exercises / by H. Holrook Curtis.
- Curtis, H. Holbrook (Henry Holbrook), 1856-1920.
- Date:
- 1896
Licence: Public Domain Mark
Credit: Voice building and tone placing : showing a new method of relieving injured vocal cords by tone exercises / by H. Holrook Curtis. Source: Wellcome Collection.
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