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Course: Honors U.S. History (HUSH): Getting started with reference sources
We have many encyclopedias on subjects that could be useful to you. Browse through the print versions or search in Gale Ebooks (used to be the Gale Virtual Reference Shelf) where you can search all the encyclopedias at once.
This is available as an ebook: click the title for the link and login through the gray screen with your UHS user name and password. It is also available in print in the reference section of the library.