Reference books are useful for identifying people, places, events, dates, etc. Many articles in reference books include a bibliography of recommended sources. Here are just a few history reference books that may be useful.
When you know the title of the item you are seeking, the first step is to search by title in an online catalog.
The library provides access to more than 50,000 books from a variety of sources. For information about ebooks, see the online guide to Ebooks.