At Reference Desk. Encyclopedia of Sociology. Contains 397 entries for concepts in sociology. Essays are lengthy and include bibliographies. Contains more than 200 signed articles on the topic of sexuality, written by experts from anthropology, biology, history, literature, nursing, political science and psychology.
Articles discuss terms, ideas and individuals, and provide references for further reading.
International Encyclopedia of Population. Contains articles on migration, marriage, fertility, contraception, mortality, data collection, population policies, as well as articles on particular regions and countries. International Encyclopedia of the Social Sciences. Includes comprehensive, authoritative articles on many aspects of sociology. Bibliographies accompany most articles.