The teaching of Gilbert Porreta on the Trinity as found in his commentaries on Boethius / Michael E. Williams. - Williams, Michael E. (OLS)http://pul/name/13282; Pontificia Università Gregoriana. (OLS)http://pul/name/147 (P. Universitas Gregoriana, 1951)
Diss. -- Pontificia Università Gregoriana (Roma)
Bibliografia: p. xi-xv.

Entwicklung und Wesen der Amtsverbrechen / von Ulrich Stock. - Stock, Ulrich. (OLS)http://pul/name/30687 (T. Weicher, 1932)
Bibliografia in nota.