5: Expositio in Hexameron - Abaelardus, Petrus, <1079-1142>. (OLS)http://semarc/name/880; Romig, Mary. (OLS)http://semarc/name/54983; Burnett, Charles, <1951- >. (OLS)http://semarc/name/54984; Luscombe, David Edward. (OLS)http://semarc/name/29503 (Petri Abaelardi Opera theologica, 2004)