Jensen, Erik (2002). «The pink triangle and political consciousness: gays, lesbians, and the memory of Nazi persecution». Journal of the History of Sexuality11 (1 and 2): 319-349. doi:10.1353/sex.2002.0008.
Gianoulis, Tina (2004). Claude J. Summers, ed. «Pink Triangle». glbtq: An Encyclopedia of Gay, Lesbian, Bisexual, Transgender, and Queer Culture. Archivado desde el original el 25 de octubre de 2014. Consultado el 26 de septiembre de 2014. «In the early 1970s, gay rights organizations in Germany and the United States launched campaigns to reclaim the pink triangle. In 1973 the German gay liberation group Homosexuelle Aktion Westberlin (HAW) called upon gay men to wear the pink triangle as a memorial.»
Gianoulis, Tina (2004). Claude J. Summers, ed. «Pink Triangle». glbtq: An Encyclopedia of Gay, Lesbian, Bisexual, Transgender, and Queer Culture. Archivado desde el original el 25 de octubre de 2014. Consultado el 26 de septiembre de 2014. «In the early 1970s, gay rights organizations in Germany and the United States launched campaigns to reclaim the pink triangle. In 1973 the German gay liberation group Homosexuelle Aktion Westberlin (HAW) called upon gay men to wear the pink triangle as a memorial.»
«SILENCE = DEATH». www.actupny.org. Archivado desde el original el 7 de septiembre de 2009. Consultado el 10 de octubre de 2019.
