Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Die Ueberanstrengung des Herzens : sechs Abhandlungen / von Thomas Clifford Allbutt [and others] ; herausgegeben von Johannes Seitz. 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.