Reference Works: Short, authoritative articles that are non-technical and have full bibliographies. These are good to read when you do not have much experience with the topic you are researching.
Books & Scholarly Journals: In-depth articles with more detailed information about the topic.
Where to start:
Research Guides, A-Z Databases (listed by subject) and Library Search Box
Magazines, Newspapers: contemporary overviews and public opinion regarding your topic at a given time.
Where to start:
Library Search Box, Issues and Controversies database and News & Newspapers