Sociological Abstracts indexes the international literature of sociology and related disciplines in the social and behavioral sciences. Not much full text but a comprehensive way to find out what exists on Soc. topics.
LGBT Life is the definitive index to the world's literature regarding lesbian, gay, bisexual, and transgender issues. This database contains indexing and abstracts for more than 120 LGBT-specific core periodicals and over 200 LGBT-specific core books and reference works