United States History

A research guide, organized by time period, of United States history from the pre-columbian period to the cold war era

Essential Databases

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Searches books, ebooks, articles, journals, and more. To narrow down your search, use the tools on the left-hand side of your results screen.

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Finding Books & EBooks

  • Use the Library Catalog to find books and e-books that are available at the MCLA library and from our partner libraries in HELM. For information on downloading ebooks, see our guide.
  • Use the Commonwealth Catalog (ComCat) to find books that are available statewide in Massachusetts. You will need your library login (the same one  you use to request books in the MCLA HELM catalog) to request an item. Contact us if you need help logging in.
  • Use WorldCat to search for books and ebooks held by libraries worldwide. Use the 'Request on Interlibrary Loan" button to request the item from another library.  

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