The philosophy of sleep / by Robert Macnish, LL.D., author of "The anatomy of drunkenness," and member of the Faculty of Physicians and Surgeons of Glasgow.

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The philosophy of sleep / by Robert Macnish, LL.D., author of "The anatomy of drunkenness," and member of the Faculty of Physicians and Surgeons of Glasgow. Public Domain Mark. Source: Wellcome Collection.