Blackwell Encyclopedia of Sociology Online - Free Access

The Blackwell Encyclopedia of Sociology Online provides an innovative resource for the academic community in sociology. Updated three times a year with new material, this vast online library gives instant access to the most authoritative and up-to-date scholarship in your field. The encyclopedia includes 1800 definitions and explanations of the key concepts in sociology, with expanded essays on major topics within the field and a time line of over 600 key events in sociological history.

http://www.sociologyencyclopedia.com/public/