The hygiene of the vocal organs : a practical handbook for singers and speakers / by Sir Morell Mackenzie.

  • Morell Mackenzie
Date:
1890
Catalogue details

Licence: Public Domain Mark

Credit: The hygiene of the vocal organs : a practical handbook for singers and speakers / by Sir Morell Mackenzie. Source: Wellcome Collection.

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    HYGIENE OF THE VOCAL ORGANS SIR MORELL MACKENZIE 1
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