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Credit
Mechanism in thought and morals : an address delivered before the Phi Beta Kappa society of Harvard University, June 29, 1870 with notes and after thoughts / by Oliver Wendell Holmes. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.