The laws of health and school hygiene : a hand-book on school hygiene / by Carstairs C. Douglas.
- Douglas, Carstairs C. (Carstairs Cumming), 1866-1940.
- Date:
- 1908
Licence: Public Domain Mark
Credit: The laws of health and school hygiene : a hand-book on school hygiene / by Carstairs C. Douglas. Source: Wellcome Collection.
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