Here's another very interesting website with an interactive map of
Constantinople, just brought to my attention. It's designed by Linda
Safran of the University of Toronto:
This is the blog of The Heroic Age, http://www.heroicage.org, an online journal dedicated to the study of European Northwest from 400-1100 AD. This space will be used to make announcements about news items, books, and other related medieval news of interest to The Heroic Age readers.