Bibliografía (22 obras)
Klassizismus, Romantik, Realismus
2014
Studi sul gotico nel Quattrocento
1997
Rafael entre el clasicismo y el manierismo
1988
Florentine painting andits social background
1986
Raffael zwischen Klassizismus und Manierismus
1980
Clasicismo y romanticismo
1978
La pittura italiana tra classicismo e manierismo
1977
Classicismo e romanticismo
1975
Füssli Studien
1973
Kritische Berichte zur kunstgeschichtlichen Literatur (1927-1937)
1972
Classicism and romanticism
1966
Classicism and romanticism, with other studies in art history
Hogarth and his place in European art
1962
Hogart and his Place in European Art
Fuseli studies
1956
Florentine Painting and Its Social Background
1947
Florentine painting and its social background : the bourgeois republic before Cosimo de' Medici's advent to power
Gedanken zur Entwickelung der Trecento & Quattrocento Malerei in Siena un Florenz
Photorespiration in Marine Plants
"Studien zur Gotik im Quattrocento
