American Psychological Association
Barry, William D D ( 1922 ). Papal Monarchy from St Gregory the Great to Boniface Viii 590-1303 ( 00 ed. ). T Fisher Unwin Ltd.
Modern Language Association
Barry, William D D. Papal Monarchy from St Gregory the Great to Boniface Viii 590-1303 . T Fisher Unwin Ltd. 1922
Chicago Citation
Barry, William D D. Papal Monarchy from St Gregory the Great to Boniface Viii 590-1303 . 00 .London
: T Fisher Unwin Ltd, 1922.
American Medical Association
Barry, William D D. Papal Monarchy from St Gregory the Great to Boniface Viii 590-1303 . T Fisher Unwin Ltd; 1922.