You can get all of this through the SCU Library.
Secondary sources include scholarly articles and academic books. These contain writings by experts analyzing events and giving their interpretation years after the historical event took place.
Primary sources are not scholarly in that they are first-hand accounts and artifacts created or used during the time period you are studying. Primary sources are the evidence that support your claims.
Digitized primary sources are great options for adding visual texture and information to your zine page.