The library has a wonderful Special Collections library will you can find primary sources for your research. You can also find many primary sources using Google. Remember that you will want to evaluate the sources to make sure they are acceptable for your research.
Try adding one of the following primary source keywords to searches. Hint: do multiple searches with different primary source keywords.
The following resources are recommended for finding newspaper articles. In some cases, there is a direct link in the database to the full text of the article. If not, use the button or search Library Search for the title of the newspaper to determine if the library has access to the newspaper that you need.