Reece M; Rosenberger JG; Schick V; Herbenick D; Dodge B; Novak DS (2010). "Characteristics of vibrator use by gay and bisexually identified men in the United States". The Journal of Sexual Medicine. 7 (10): 3467–76. doi:10.1111/j.1743-6109.2010.01873.x. PMID20561168.
Rosenberger Joshua G (2011). "Sexual Behaviors and Situational Characteristics of Most Recent Male-Partnered Sexual Event among Gay and Bisexually Identified Men in the United States". The Journal of Sexual Medicine. 8 (11): 3040–3050. doi:10.1111/j.1743-6109.2011.02438.x. PMID21883941.
Hildebrandt, Achim (2014). "Routes to decriminalization: A comparative analysis of the legalization of same-sex sexual acts". Sexualities. 17 (1–2): 230–253. doi:10.1177/1363460713511105. S2CID145575130.
Dupont, Wannes (2019). "Pas de deux, out of step: Diverging chronologies of homosexuality's (de)criminalisation in the Low Countries". Tijdschrift voor Genderstudies. 22 (4): 321–338. doi:10.5117/TVGN2019.4.001.DUPO. S2CID213698186.
Reece M; Rosenberger JG; Schick V; Herbenick D; Dodge B; Novak DS (2010). "Characteristics of vibrator use by gay and bisexually identified men in the United States". The Journal of Sexual Medicine. 7 (10): 3467–76. doi:10.1111/j.1743-6109.2010.01873.x. PMID20561168.
Rosenberger Joshua G (2011). "Sexual Behaviors and Situational Characteristics of Most Recent Male-Partnered Sexual Event among Gay and Bisexually Identified Men in the United States". The Journal of Sexual Medicine. 8 (11): 3040–3050. doi:10.1111/j.1743-6109.2011.02438.x. PMID21883941.
Hildebrandt, Achim (2014). "Routes to decriminalization: A comparative analysis of the legalization of same-sex sexual acts". Sexualities. 17 (1–2): 230–253. doi:10.1177/1363460713511105. S2CID145575130.
Dupont, Wannes (2019). "Pas de deux, out of step: Diverging chronologies of homosexuality's (de)criminalisation in the Low Countries". Tijdschrift voor Genderstudies. 22 (4): 321–338. doi:10.5117/TVGN2019.4.001.DUPO. S2CID213698186.