Guido von Vienne, Papst Calixt II /
Schilling, Beate.
Hannover : Hahnsche Buchhandlung,
1998.
Originally presented as the author's thesis (doctoral)--Universität Heidelberg, 1994.
Includes bibliographical references (p. [xv]-lxiv) and indexes.
Callistus II, Pope, -1124.