Romanesque: architecture, sculpture, painting
edited by Rolf Toman; photos by Achim Bednorz
H.F. Ullmann, 2010
 Buku Referensi
Conant, Kenneth John
Carolingian and Romanesque architecture 800 to 1200
Penguin Books, 1959
 Buku Teks SO
Schofield, John
Medieval London houses
Yale University Press, 1994
 Buku Teks SO
Branner, Robert
Gothic architecture
George Braziller, 1961
 Buku Teks SO
Mark, Robert
Experiments in Gothic structure
MIT Press, 1982
 Buku Teks SO