PERSON John XXI, Last Name Last Name John XXI Gender Gender male or not specified ID ID 367 Authored Books The treasuri of helth contaynynge many profytable medicines, gathered out of Hipocratz [sic]... (1556) The treasurie of health contayning many profitable medicines, gathered out of Hipocrates, Galen and Auicen… (1560) The treasurie of health contayning many profitable medicines, gathered out of Hipocrates, Galen and Auicen… (1570) The treasury of health, containing many profitable medicines, gathered out of Hipocrates, Galen, and Auicen… (1585) The treasury of healthe conteynyng many profitable medycines gathered by Petrus Hyspanus & tr. by H… (1550) The treasury of healthe conteynyng many profitable medycines gathered out of Hypocrates, Galen and Auycen… (1553)