A collection of primary source materials relating to the history and culture of the United States, maintained by the Library of Congress.

The nation's oldest and largest association devoted to the interdisciplinary study of American culture and history.

A collection of open access primary sources, including photographs, maps and oral histories, as well as online books, maintained by the American Historical Association and Columbia University Press.

A bibliography of Latin American Studies consisting of works selected and annotated by scholars.

Historical statistics, maintained by the United States Census Bureau.

A digital library of primary sources in American social history.

An open access collection of materials relating to the people, places and institutions of New York State.

Current reports and statistics, maintained by the United States Census Bureau.

A collection of primary and secondary sources on women's role in the United States economy during this time period.