Open Primary Sources
Open - free to use and repurpose
Free - free to use
Affordable - available at low cost
Free North Shore - available to NSCC students and faculty
The American Yawp is an online textbook to support a survey course in U.S. History.
UShistory.org provides a link to the free textbook U.S. History: From Pre-Columbian to the New Millenium.
UShistory.org provides a link to the free textbook Ancient Civilizations.