請求番号:M-H:627:34
The popes and the papacy in the early Middle Ages, 476-752 / Jeffrey Richards. -- Routledge & K. Paul, 1979. -- viii, 422 p. ; 22 cm.
請求番号:M-H:627:38
A short history of the Papacy in the Middle Ages / Walter Ullmann ; : pbk. -- Methuen. -- 393 p. ; 22 cm. -- (University paperbacks).
請求番号:M-H:627:38.4
The foundations of medieval papal legation / Kriston R. Rennie ; : hardback. -- Palgrave Macmillan, 2013. -- xii, 234 p. ; 23 cm.