World History SourcesWebsite reviews describe online primary–source archives, evaluate resources, and provide classroom suggestions. Browse by time period or try the advanced search. The framing essay, written by Deborah Vess, introduces issues in using online sources, such as reliability, quality, and translation. A project of the Center for History and New Media, George Mason University, with support from the National Endowment for the Humanities and the Gladys Krieble Delmas Foundation