Secondary sources are materials which provide an interpretation, analysis or discussion of information originally presented elsewhere. This is in contrast to primary materials which provide first-hand evidence. What counts as a secondary source depends heavily on the topic you are writing about and the discipline you are working within.
Scholarly articles are a common type of secondary source:
Note: some of these databases also contain other types of materials, such as books, reports, or news articles.
Use this box to look for additional databases by subject. You can also use the A-Z database list to browse.
If you want to search for a book on your topic, click on Books & Media on the library's homepage (lib.msu.edu). You have a few options here.