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.

Licence: Public Domain Mark

Credit: 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. Source: Wellcome Collection.