A primary source is generally:
A secondary source, on the other hand:
Whether a source is primary or secondary depends on the context of your research question. Sometimes what we might think of as a secondary source becomes a primary source, depending on how you are using it.
A small selection of our online magazines - for a particular publication, look up titles in Library Catalog Search
Library Catalog Search - search here for books, films, music, manuscripts, diaries, musical scores, journal titles, etc. The Music Library and Askwith Media Library (videos and DVDs) collections are included in the catalog.
Filter your results or use the Advanced Search to limit to only "available online" sources.
When searching for primary sources, some suggested keywords to add to your search:
correspondence, letter or letters
diary or diaries
biography or autobiography
Also remember newspapers in print and on microfilm, in addition to electronically; print and microfilm allows you to look at advertisements of the time.