Antzeko izenburuak: Among men, among women :
- Ethnic and cultural diversity among lesbians and gay men /
- Homosexual behavior among males
- Epidemiology and prevention of HIV infection among homosexual men /
- Prevention of HIV infection among homosexual men : behavior change and behavioral determinants /
- Homosexualities : a study of diversity among men and women /
- Homosexual behavior among males : a cross-cultural and cross-species investigations /