A textbook of military hygiene and sanitation / by Frank R. Keefer.
- Keefer, Frank R., 1865-
- Date:
- 1914
Licence: In copyright
Credit: A textbook of military hygiene and sanitation / by Frank R. Keefer. Source: Wellcome Collection.
41/834 (page 13)
Licence: In copyright
Credit: A textbook of military hygiene and sanitation / by Frank R. Keefer. Source: Wellcome Collection.