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Free Online Textbooks - US History
U.S. History - OpenStax
American History Online Textbook - Students of History
U.S. History - Open Textbook Library - Center for Open Education
America's History : Free Download, Borrow, and Streaming : Internet Archive
The American Yawp
Building the American Republic -- a free digital textbook for US history
U.S. History – Open Textbook - UH Pressbooks
History - Open Educational Resources (OER) Sustainable Learning ...
The American Yawp
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