Mapping Books: Mapping pre-1600 European manuscripts in the U.S. and Canada

Unsurprisingly one can see the concentration of pre-1600 European manuscript holdings along the east coast. In a league table of manuscript holders New York, Washington, and Philadelphia(!) come out on top by volume but in terms of individual institutions the Huntington and Folger with their extensive holdings of pre-1600 documents come out on top.

From Mapping Books: Mapping pre-1600 European manuscripts in the U.S. and Canada