Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Self knowledge : a treatise, shewing the nature and benefit of that important science, and the way to attain it ; intermixed with various reflections and observations on human nature / by John Mason, A.M. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)