A comparison between smallpox and cowpox pustules on the 8th and 9th days of the disease. Chromolithograph, 1896, after G. Kirtland.
- Kirtland, George, active 1796-1815.
- Date:
- 23 May 1896
- Reference:
- 20180i
Licence: Public Domain Mark
Credit: A comparison between smallpox and cowpox pustules on the 8th and 9th days of the disease. Chromolithograph, 1896, after G. Kirtland. Wellcome Collection. Source: Wellcome Collection.