Encyclopedia of Sociology . Edited by Edgar F. Borgatta and Marie L. Borgatta. REF HM17 .E5 1991. This subject encyclopedia is an excellent source for review articles on topics relating to sociology. It is useful for identifying significant research on a topic, tracing the development of the topic, and placing the topic within the sociological context.
Substantial bibliographies accompany each article.
Encyclopedia of Social Work . Edited by Richard L. Edwards, et. Some statistics are included. Each article includes a substantial reference list. International Encyclopedia of the Social Sciences .