Die Papstbildnisse des Altertum und der Mittelalters.
Series: Monumenti di antichità cristiana -- 2. ser., 4
Publisher: Pontificio istituto di archeologia cristiana
Published: 1941
Place of publication: Città del Vaticano
Language: ger
Subjects: Popes -- Portraits
Notes: Vol. 1 accompanied by portfolio (25 plates)

Includes bibliography.