Ingram LIbrary's Special Collections has a rich variety of primary sources that you can make use of. Find more info about Special Collections here:
A primary source is a 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. Some types of primary sources include:
--From Princeton's website "What is a Primary Source?"
This libguide has a number of primary source collections that you can search through, but you might be examining a place/time/culture outside of what is included in that list.
A few places to check:
Older magazines are great primary sources but finding them can be tricky. You might have to use both PRINT and ONLINE indexes to be successful.
In PRINT we have Readers' Guide to Periodical Literature.
The following online indexes and databases are linked from here: http://www.galileo.usg.edu/scholar/westga/subjects/?Welcome
Periodicals Archives Online