Studien zur hebräischen Grammatik / Andreas Wagner (Hrsg.) - Wagner, Andreas. (OLS)http://pul/name/55097 (Universitätsverlag, 1997)
Bibliografia in nota.

The growth of papal government in the Middle Ages : a study in the ideological relation of clerical to lay power / Walter Ullmann. - Ullmann, Walter, 1910-1983. (OLS)http://pul/name/57 (Metheun, 1962)
Comprende indici.
Bibliografia in nota.