Initienverzeichnis zu August Potthast, Regesta pontificum Romanorum (1198-1304) - Schaller, Hans Martin. (OLS)http://pul/name/18172; Monumenta Germaniae historica. (OLS)http://pul/name/18171 (Monumenta Germaniae Historica, 1978)
"Vorbemerkung" [von] Hans Martin Schaller.

Divine commands and moral requirements / Philip L. Quinn. - Quinn, Philip L. (OLS)http://pul/name/67534 (Clarendon Press, 1978)