Find newspapers from your country using these links below.
Search OneSearch on the library's homepage to find books, e-books, DVDs, CDs and more. There is no sure way to identify primary sources by searching the catalog but you can try combining the name of your chosen country with the keyword sources. You will need to evaluate your results and the books that you find to confirm they are or include primary source documents from the country.
For example: Mexico sources
To find government documents from the country you are studying that you can use as primary sources try using the link below to find documents on your topic while limiting to the domain for your country's government for example:
immigration site:gov.tw for documents on immigration published by the Taiwanese government.
There may be some exceptions to the .GOV domain such as