You can use the library online catalog, OSCAR, to find published primary sources or books including primary documents If you are interesting in the writings of a specific individual, just do an author search. If you are looking for primary sources on a specific topic, just enter your keywords and add one of the following words, depending on what you are looking for: correspondence, papers, speeches, memoirs, personal narratives, documents, sources.
For example: immigration and documents
immigrants and memoirs
Government publications are a rich source of primary documents. Use this database to find congressional publications, bills, laws and regulations, hearings, and government reports.
Here's an example of the kind of documents you can find in the database:
Public Policy Research
Use this database to find public policy research and analysis from think tanks, university research programs, research organizations and publishers. Provides links to fulltext where available.