Series Episcoporum Ecclesiae Catholicae Occidentalis ab initio usque ad annum MCXCVIII. - Aldea, Quintin, S.I., 1920-; Engels, Odilo; Grosse, Rolf; Kaiser, Reinhold; Kluger, Helmuth; Melville, Gert; Nyberg, Tore, 1931-; Pack, Edgar; Weinfurter, Stefan, 1945- (A. Hiersemann, 1982)