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Reading primary sources: An introduction for students
Primary vs Secondary Sources
US Army Heritage & Education Center
The Smithsonian Museum, founded in 1846, consists of 19 museums and galleries, a zoo, and research facilities. The museum and gallery websites feature digital collections and information on physical collections covering art, science and history.
Access Pennsylvania Digital Repository
This digital repository features local and state history from schools, colleges and universities, libraries and museums.
Search over 7.4 million records with 568,100 images, video and sound files, electronic journals and other resources from the Smithsonian's museums, archives & libraries.
Chronicling America: Historic American Newspapers
Search America's historic newspaper pages from 1836-1922 or use the U.S. Newspaper Directory to find information about American newspapers published between 1690-present. Chronicling America is sponsored jointly by the National Endowment for the Humanities and the Library of Congress
Historical Pennsylvania newspapers
Pennsylvania newspaper collections from Delaware County Libraries and Power Library
US Congressional Documents and Debates, 1774-1875
Piecing together history with primary sources