請求番号:M-C:264:808
De miraculo in scriptis Petri Venerabilis / disseruit Petrus Canisius Grossbölting. -- Limburger Vereinsdruckerei, 1937. -- ix, 65 p. ; 24 cm.
請求番号:M-C:264:808.4
Peter the Venerable's concept of friendship / by James Bernard Bettendorf. -- UMI Dissertation Information Services, 1970. -- iv, 72 p. ; 24 cm.