Sage Knowledge is a reference database that contains high quality encyclopedias in the social sciences.
Use these sources to explore topics, to gain background information on theories and to explore possible areas of research in your topic.
Here is a link to the main Sage Knowledge search page, as well as direct links to some potentially relevant encyclopedias.
These two databases are collections of reference sources - they range from basic dictionaries to specialized encyclopedias. Search your topic for background information and terminology.