| Title | Author, Publisher | |
|---|---|---|
| Debating Same-Sex Marriage | John Corvino and Maggie Gallagher (Oxford University Press USA, 01 June 2012) | |
| GLAD: Edited by Jennifer L. Levi and Elizabeth E. Monnin-Browder (Author House 13 April 2012) | ||
| Gay, Straight, and the Reason Why: The Science of Sexual Orientation | Simon LeVay (Oxford University Press, 2011) | |
| International Commission of Jurists (07 September 2011) | ||
| Speak Now: Australia Perspectives on Same-sex Marriage | Edited by Dr Victor Marsh (2011) | |
| Current Trends in the Regulation of Same-sex Relationships | Paula Gerber and Adiva Sifris (2011) | |
| Transgenders and Intersexuals |
Lois May (2005) | |
| Same-Sex Marriage 6kb | Kathleen A Lahey and Kevin Alderson (2004) | |