Smallpox and vaccination historically and medically considered : an inquiry into the causes of the recent increase of smallpox, and the means for its prevention / by Alfred Collinson.
License information
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Smallpox and vaccination historically and medically considered : an inquiry into the causes of the recent increase of smallpox, and the means for its prevention / by Alfred Collinson. Credit: This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.. Public Domain Mark