A primary source is generally defined as document or physical object which was written or created during the time under study. These sources were present during an experience or time period and offer an inside view of a particular event. Depending on your research topic and perspective, primary sources can include:
[American Press Association. Suffrage Parade, New York City, May 6, 1912." World Digital Library.]
If you are reading a book or article that is on your topic, check the bibliography to see if the author found any sources that might be of useful to you.
Presidential Libraries are repositories for the papers, records and historical materials of the Presidents. The Presidential Libraries work to ensure that these irreplaceable items are preserved and made available for the widest possible use by researchers.