The image below is a good example of a primary source. The New York Public Library's Digital Collection has many primary sources just like this. Try the link below to search their collection.
Image source: Spencer Collection, The New York Public Library. "Qur'ân" The New York Public Library Digital Collections. 1333. http://digitalcollections.nypl.org/items/8d2c5767-51f4-f6f5-e040-e00a18063932
The links below are grouped by type. These are just a few examples of where you can locate audio and visual primary sources.
Search for your topic/event by name AND include one of the following words:
newsreel, archival, clip, footage, interview, speech