Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Lectures on the theory and general prevention and control of infectious diseases / by Jas. B. Russell ; and, On air, water supply, sewage disposal, and food by William Wallace. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.