Some good searches in NUsearch for Social Science encyclopedias include:
The above keyword searches can be run as NUsearch as subject searches by using the Browse search feature. To use the browse feature start at the main search page of NUsearch and follow these steps:
Reference Universe contains table-of-contents and index information for thousands of encyclopedias (as well as other works) allowing you to find an appropriate article on a specific topic. Just type in any word or phrase into this box: