Vital statistics : an introduction to the science of demography / by George Chandler Whipple.
- Whipple, George Chandler, 1866-1924.
- Date:
- 1923
Licence: In copyright
Credit: Vital statistics : an introduction to the science of demography / by George Chandler Whipple. Source: Wellcome Collection.
125/612 (page 103)