The Getting Started suite of tutorials includes: What Types of Sources Do I Need, How Do I Create a Search Strategy, Should I Rethink My Search, How Do I Evaluate Online Information, How Do I Give Credit to the Ideas of Others, Popular vs Scholarly Sources, Anatomy of a Scholarly Article, Mind Mapping for Focusing Your Topic.
Primary sources are original documents created at the time of an event, such as a newspaper account, photographs, or videos. Primary sources also include diaries, memoirs, interviews, and other records that document a past event.
Sources are considered primary, secondary, or tertiary depending on the originality of the information and how close they are to the source of information. [Relevant to other science and social science disciplines.]