Primary sources are direct examples of your research topic in real life.
Secondary sources are what other researchers have written after they researched the same topic as you.
Primary sources are:
What counts as a primary source depends on your topic and topic scope. Please visit the Primary Sources LibGuide for more information.
If you were writing about how boxing champions were trained in the 1920s, some primary sources could be:
For this topic, a book written in 1993 about the history of boxing would not be a primary source.