Church of S. Apollinare in Classe, Ravenna Facade Source: http://commons.wikimedia.org/wiki/File:Ravenna_SantApollinare_Classe2.jpg

Church of S. Apollinare in Classe, Ravenna Exterior view of apse Source: http://commons.wikimedia.org/wiki/File:Sant'Apollinare_in_Classe_Ravenna_03.JPG

Church of S. Apollinare in Classe, Ravenna Exterior view Source: https://www.flickr.com/photos/art_roman_p/8458689775 License: https://creativecommons.org/licenses/by-nc-nd/2.0/

Church of S. Apollinare in Classe, Ravenna Interior view of nave Source: http://commons.wikimedia.org/wiki/File:Interno_Sant'Apollinare_in_Classe_05.JPG

Church of S. Apollinare in Classe, Ravenna Interior view from aisle toward nave Source: http://commons.wikimedia.org/wiki/File:Ravenna_5190.JPG

Church of S. Apollinare in Classe, Ravenna Interior view of apse with mosaics Source: http://commons.wikimedia.org/wiki/File:Basilica_di_Sant'_Apollinare_in_Classe_-_Interno.jpg

Church of S. Apollinare in Classe, Ravenna Interior view of clerestory windows Source: http://commons.wikimedia.org/wiki/File:Ravenna-apollinareinclasse02.jpg

Church of S. Apollinare in Classe, Ravenna Plan Source: Fletcher, Banister. A History of Architecture on the Comparative Method. Sixth edition, rewritten and enlarged. New York: Charles Scribner's Sons, 1921, p. 105. Provided courtesy of Allan Kohl. Permitted uses: This image is posted publicly for all uses as a work in the public domain.