Mental hygiene, or, An examination of the intellect and passions : designed to illustrate their influence on health and the duration of life / by William Sweetser.

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Mental hygiene, or, An examination of the intellect and passions : designed to illustrate their influence on health and the duration of life / by William Sweetser. Public Domain Mark. Source: Wellcome Collection.

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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.)