Other
History of Gothic Architecture: Laon Cathedral
Website contains brief but informative details regarding the Laon Cathedral. A picture as well as details regarding construction, location and the dimensions of the cathedral are included.
Annenberg Foundation
Annenberg Learner: Renaissance: Florentine Art and Architecture
This site from Learner.org illustrates the inner and outer workings of Renaissance art and architecture in the Italian city of Florence. It also provides an example by noting some works by Michelangelo and Botticelli.