The ancestry of the long-lived / by Raymond Pearl and Ruth DeWitt Pearl.
- Pearl, Raymond, 1879-1940.
- Date:
- 1934
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: The ancestry of the long-lived / by Raymond Pearl and Ruth DeWitt Pearl. Source: Wellcome Collection.
64/192 (page 46)