Bibliografía (7 obras)
Carolingian and Romanesque architecture 800-1200
1978
Cluny: les églises et la maison du chef d'ordre
1968
Carolingian and Romanesque architecture 800 to 1200
1966
Carolingian and Romanesque architecture, 800 to 1200 (The Pelican history of art)
Carolingian and Romanesque architecture
1959
A brief commentary on early mediaeval church architecture, with especial reference to lost monuments;
1942
The early architectural history of the cathedral of Santiago de Compostela
1926