Splendors of Topkapi
- Treasures from an Istanbul palace reveal the power and mystique of the sultans who lived there. From Smithsonian Magazine.
- http://www.smithsonianmagazine.com/issues/2000/february/topkapi.php

History of Constantinople: Latin rulers
- A look at the history of the Byzantine capital from the time of the Crusades, to the mid 14th century.
- http://www.publicbookshelf.com/public_html/Outline_of_Great_Books_Volume_I/historyof_fi.html