Find historical news in print, in microfilm &/or online.
When you can't find published primary sources, you may be able to get ahold of electronic or microfilm copies
Much archival primary source material has been filmed over the years, but using it will take some getting used to. Ask for help with microfilm, microfiche, or microcards at a reference desk!
A sense of what it is and how you use it: Using Microfilm