Scientific method in biology / by Elizabeth Blackwell.
- Blackwell, Elizabeth, 1821-1910.
- Date:
- 1898
Licence: Public Domain Mark
Credit: Scientific method in biology / by Elizabeth Blackwell. Source: Wellcome Collection.
35/96 (page 23)
Licence: Public Domain Mark
Credit: Scientific method in biology / by Elizabeth Blackwell. Source: Wellcome Collection.