Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
An account of the varioloid epidemic, which has lately prevailed in Edinburgh and other parts of Scotland ; with observations on the identity of chicken-pox with modified small-pox : in a letter to Sir James M'Grigor ... / by John Thomson. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by London School of Hygiene & Tropical Medicine Library & Archives Service. The original may be consulted at London School of Hygiene & Tropical Medicine Library & Archives Service.