History MattersServes as a gateway to web resources and offers unique teaching materials, first-person primary documents, and guides to analyzing historical evidence. A project of the American Social History Project/Center for Media and Learning of the City University of New York and the Center for History and New Media at George Mason University with funding from the National Endowment for the Humanities, the W. K. Kellogg Foundation, the Rockefeller Foundation, and the Visible Knowledge Project.