What is a Primary Source?
A primary source is a first-hand account of an event, time period, or philosophical era.
A primary source may include:
Primary sources do not include:
HathiTrust is a large digital library bringing together materials from sources including Google Books, the Internet Archive, and other commercial digitization projects. This resource is being expanded daily and provides information on more than 10 million volumes with more than a third of these available for full text access and download (primarily books and journals published before 1923 and U.S. Government publications).