Below are a list of words you can add to a search to locate primary sources published in book form. Search for these as keywords in Primo, combined with a main topic, such as napoleon* wars maps.
You can mix and match, remembering to combine similar concepts together with "OR." Example: sources OR diaries OR correspondence
Search for books, e-book, articles, and other material at Western Oregon University, Summit, and beyond.
NOTE: You can read e-books on any computer or download to your digital device. See: Using eBooks @ WOU
Orbis-Cascade (SUMMIT): Libraries and locations