Heredity and parenthood / by Samuel Christian Schmucker.
- Schmucker, Samuel Christian, 1860-1943.
- Date:
- 1929
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Heredity and parenthood / by Samuel Christian Schmucker. Source: Wellcome Collection.
48/344 (page 34)