(on the Gothic revival of the 19th century and the depictions of Gothic cathedrals in the Arts)* Tonazzi, Pascal (2007) "Florilège de Notre-Dame de Paris (anthologie)", Editions Arléa, Paris, ISBN 2-86959-795-9==External links==* Mapping Gothic France, a project by Columbia University and Vassar College with a database of images, 360° panoramas, texts, charts and historical maps* Gothic Architecture Encyclopædia Britannica* Gutenberg.org, from Project Gutenberg* , Archive.org, from Internet Archive
Special Issue of "UNIversitas: The University of Northern Iowa Journal of Research, Scholarship, and Creative Activity", 2.1 (2006).