Library guides

Library Catalogue search guide
How to find journal articles
Evaluating sources
Once you've found a web resource related to your topic, evaluating its reliability is the critically important final step. Make sure to ask the basic questions: Who? What? Where? When? and Why?
Understanding and avoiding plagiarism [interactive tutorial]

Books

Start with

ProQuest Sociology Collection - International literature in sociology. Searches multiple databases including: Applied Social Science Index, ProQuest Sociology Database, Social Services Abstracts, and Sociological Abstracts.
Sociological Abstracts - theoretical and applied sociology, social science, and policy science.
Social Sciences Full Text - social sciences journals

Literature reviews

Annual Reviews - In addition to the "Annual review of anthropology " and " Annual review of sociology", the search engine will find review articles from criminology, economics, environment, genomics and human genetics. law, political science, public health and more.
Oxford Bibliographies Online - provides "literature reviews" for topics in sociology, anthropology, African studies, geography, international relations, Islamic studies, Latin American studies, political science and more.

Other

GEOBASE - for human geography, labour, migration, refugees, etc.
Social Theory - documents from prominent social sciences theorists.
Sage Research Methods Online - Search or browse a wide variety of sources on research methods, including ebooks, articles, reference sources, and videos. Also includes research tools and instructional content.

For Canadian perspectives:

CBCA Complete - Canadian Business and Current Affairs (CBCA) - indexes Canadian publications
Canada Commons (formerly, Canadian Electronic Library from desLibris) - for public policy documents from Canadian institutes, think-tanks and research groups.

For more, try Sociology Databases.
For Primary documents, check the guide to "publication types" and choose Primary sources.

To see who is citing your "key" authors or to identify a cluster of people working in an area, try "citation searching."