You can use the library search system - OneSearch to find books with primary sources. This includes reprints of original works like letters, speeches, and diaries, as well as published works like autobiographies.
Use Keywords to search for common kinds of primary source materials
Use the subject heading for primary sources: sources. A subject heading is like a #hashtag in social media. Each item is 'tagged' with what it is about and the tag allows users to search for things on that topic, or click on the tag to get more items like it.
The library has subscription access to collections of primary source material in several databases. From the A-Z databas list, use the type dropdown to narrow to primary Sources.
You can find images and reprints of many primary sources online, as well as information about where to find physical items in libraries and museums. Like any source of information, be careful that you only use trusted sites to ensure the materials you access are authentic. Trusted institutions include
See the Archives on the Web page for trusted websites chosen by Cal State LA Librarians
Be cautious of personal websites that may be difficult to verify that the item is what it claims to be.