Translated into English by Richard Browne as The cure of old age and preservation of youth by Roger Bacon, a Franciscan frier (London, 1683). Digital facsimile of the 1683 edition from the Internet Archive at this link.
Translated into English by Richard Browne as The cure of old age and preservation of youth by Roger Bacon, a Franciscan frier (London, 1683). Digital facsimile of the 1683 edition from the Internet Archive at this link.