Early Christian and Byzantine Art and Architecture
- Belmont University offers pages of annotated, expandable thumbnail images of Christian structures and art ranging from the Catacombs of Ancient Rome to the 12th century.
- http://campus.belmont.edu/honors/byzart2001/byzindex.html

Early Christian Church Architecture in Anatolia
- An account of its development from earliest beginnings to the Dark Ages with references and bibliography from the Associated Colleges of the South.
- http://www.colleges.org/~turkey/projects/cashioelliot/

Early Christian Architecture
- An illustrated introduction to the development of the church plan in the 3rd and 4th centuries by Dr. Franklin Toker, University of Pittsburgh. Includes the house-church at Dura Europos (230).
- http://www.pitt.edu/~tokerism/0040/syl/christian.html

Margaret Visser: The Geometry of Love
- A book exploring the basilican church of Sant Agnese fuori le Mura, Rome, rebuilt 625-38 to replace a 4th-century church. Author's biography, reviews, images with extracts.
- http://www.margaretvisser.com/

Early Christian Art and Architecture
- San Jose State University provides an extensive gallery of expandable images, accessed via pull-down menu and selection from an array. Basic information is given for each.
- http://worldart.sjsu.edu/prt51*1$596