The research for my current project has
spanned a lot of material and topics. Since some of my online
resources took a little digging to find, I figured I'd share the best
links here in case they might be useful to anyone else. Most of these
have to do with mid-1800s New York.
Maps: Interactive Maps of Manhattan
from the 1600s to today
Bonus: Lessons in Old Norse and the Icelandic Saga Database