[Correspondence between Dr J.Y. Simpson, Dr Robert Christison, Professor James Miller, and others].

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

[Correspondence between Dr J.Y. Simpson, Dr Robert Christison, Professor James Miller, and others]. Public Domain Mark. Source: Wellcome Collection.

Provider

This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.