[en] [Gutenberg 46326] • Brick and Marble in the Middle Ages: Notes of Tours in the North of Italy Cambridge University Press
[en] [Gutenberg 41040] • Some Account of Gothic Architecture in Spain Wentworth Press
[en] [Gutenberg 46326] • Brick and Marble in the Middle Ages: Notes of Tours in the North of Italy Cambridge University Press
[en] [Gutenberg 41040] • Some Account of Gothic Architecture in Spain Wentworth Press