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History: A Guide to United States Historical Research at Cornell

Useful Tips

Browse footnotes and bibliographies of books, encyclopedias, and articles for information about primary sources. 

Search the Library Catalog for primary sources--both unpublished manuscripts and modern editions in print and online, sometimes in translation, of original primary medieval sources. Use the guided keyword search with terms like:

  • sources
  • diaries
  • personal narrative
  • interview
  • letters

Selected Online Collections: 19th century

Guide to American Historical Newspapers

Official US Governement Documents

Selected Online Collections: 20th Century

Rare Books & Manuscripts

The Cornell Library's Krocjh Division of Rare and Manuscript Collections (RMC) includes 400,000 printed volumes, more than 70 million manuscripts, and another million photographs, paintings, prints, and other visual media. Explore RMC's 19th century American photography collection as represented in an online exhibition.