• Greek mythology in Byzantine art, 1951 • Geistige Grundlagen und Wesen der makedonischen Renaissance, 1963 • Illustration roll and codex, 1947, 21970 •
"Studies in manuscript illumination" series •
The Joshua Roll, 1948 •
The Fresco Cycle of S. Maria di Castelseprio, 1952 • Ancient book illumination, 1959 • Late Antique and Early Christian Book Illumination, 1970 • The
Monastery of St. Catherine at Mount Sinai, The Icons, I. 1976 • Studies in classical and Byzantine manuscript illumination, 1971 • Byzantine book illumination and ivories, 1980 • Byzantine liturgical Psalters and Gospels, 1980 • (with H. L. Kessler) The
Frescoes of the
Dura Synagogue and Christian Art, 1990 ==See also==