1897 – 1994
Early Christian and Byzantine architecture
1965
Krautheimer
1973
Corpus basilicarum Christianarum Romae
1937
Three Christian capitals
1983
Roma di Alessandro VII, 1665-1667
1987
The Rome of Alexander VII, 1655-1667
1985
Rom. Schicksal einer Stadt 312 - 1308
1996
Studies in early Christian, Medieval, and Renaissance art
1969
Il Cortile delle Statue =
1998
Idéologie de l'art antique du IVe au XVe siècle
1995
Ausgewählte Aufsätze zur europäischen Kunstgeschichte
1988
A note on Justinian's Church of the Holy Apostles in Constantinople
1964
"A Drawing for the Fonte Gaia in Siena."
1952
Die Kirchen der Bettelorden in Deutschland
1925
Baroque architecture
Architettura sacra paleocristiana e medievale e altri saggi su Rinascimento e Barocco
1993
Palaiochristianikē kai vyzantinē architektonikē
1991
S. Pietro in Vincoli
1941
Introduction to an "iconography of mediaeval architecture"
1942
[Romanesque architecture
1960
The beginning of early Christian architecture
1939
Lorenzo Ghiberti
1956
Pratum Romanum
1997
