Harvard Map Collection:
Harvard Map Collection on Instagram, Facebook, and Twitter
My Affiliations:
International Map Collectors' Society
C19: The Society of Nineteenth-Century Americanists
SEA: The Society of Early Americanists
Some Map Links
Lovely Research Institutions:
Samuel P. Hayes Research Library
Massachusetts Historical Society
Databases of Teaching Techniques and Lesson Plans
ABLConnect is a great initiative through Harvard that aggregates examples of "active learning." You can see some of my contributions, in the Exit Poll and my Segregation Academies section activity.
Many of the protocols from the National School Reform Faculty can easily be tweaked into engaging class activities.
And, for any fellow recovering math nerds that have stumbled along: