The principles of rational education / by Charles A. Mercier.
- Mercier, Charles Arthur, 1852-1919.
- Date:
- 1917
Licence: In copyright
Credit: The principles of rational education / by Charles A. Mercier. Source: Wellcome Collection.
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Licence: In copyright
Credit: The principles of rational education / by Charles A. Mercier. Source: Wellcome Collection.