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Primary & Secondary Sources

This guide will help you learn the difference between primary and secondary sources in various subject areas and provides resources for locating primary sources, both in the library and on the open web.

Maps & Cartography Resources

David Rumsey Historical Map Collection This historical map collection has over 42,000 maps and images online. The collection focuses on rare 18th and 19th century North American and South American maps and other cartographic materials. Historic maps of the World, Europe, Asia, and Africa are also represented.