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Credit
The conservation of youth and defense of age = De conservatione juventutis et retardatione senectutis / by Arnaldus of Villa Nova, A.D. 1290 ; tr. by Jonas Drummond, A.D. 1544 ; with additions from the Breviarium of Arnaldus ; ed. by Charles L. Dana. 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.