RT Book T1 Fratris Rogeri Bacon de retardatione accidentium senectutis cum aliis opusculis de rebus medicinalibus T2 British Society of Franciscan Studies JF British Society of Franciscan Studies A1 Bacon, Roger 1214-1292 A2 Little, A. G. 1863-1945 LA English LA Latin PP Oxonii PB Typogr. Clarendoniano YR 1928 UL https://ixtheo.de/Record/1145983960 NO Auch erschienen als: Opera hactenus inedita; Bd. 9 K1 History of medicine, medieval K1 Geriatrics