Potter's cyclopaedia of botanical drugs and preparations.
- Wren, R. C. (Richard Cranfield), 1864-1931.
- Date:
- 1923
Licence: Public Domain Mark
Credit: Potter's cyclopaedia of botanical drugs and preparations. Source: Wellcome Collection.
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Licence: Public Domain Mark
Credit: Potter's cyclopaedia of botanical drugs and preparations. Source: Wellcome Collection.