A new theory of knowing and known : with some speculations on the border-land of psychology and physiology / by John Cunningham.

Date:
1874

Licence: Public Domain Mark

Credit: A new theory of knowing and known : with some speculations on the border-land of psychology and physiology / by John Cunningham. 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.

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