QueerAmerica - National database of queer resources with standard and advanced search options. - http://www.queeramerica.com/
Gay Male and Lesbian Sexuality and Related Issues - An annotated bibliography presenting a cross section of available resources on gay and lesbian sexuality and related issues. - http://www.siecus.org/pubs/biblio/bibs0005.html
Hugh Young's Lexicon of Polari - Includes glossary with alternative spellings, word origins, and pronunciation. - http://www.homeusers.prestel.co.uk/cello/Polari.htm
gaydemographics.org - Features census and official figures about same-sex couples. Includes the United States and other nations. - http://www.gaydemographics.org/
Polari - British Gay Slang - A introduction to Polari, the archaic British gay slang, with a wordlist, related links, and bibliography. - http://www.chris-d.net/polari/
The Gay and Black Glossary - Definitions of terms used in personal ads and other slang. Includes related links and a chart showing numerical probability of HIV infection for various sexual activities. - http://mindprod.com/ggloss/ggloss.html