The American College of Pediatricians, “Gender Ideology Harms Children,” www.acpeds.org/the-college-speaks/position-statements/gender-ideology-harms-children.
 The National Catholic Bioethics Center, “The Psychopathology of ‘Sex Reassignment’ Surgery: Assessing Its Medical, Psychological, and Ethical Appropriateness” by Richard P. Fitzgibbons, M.D., Philip M. Sutton, Ph.D., and Dale O’Leary.
 The Public Discourse, “I Was a Transgender Woman” by Walt Heyer, www.thepublicdiscourse.com/2015/04/14688/.
 The Federalist, “Transgender Characters May Win Emmys, But Transgender People Hurt Themselves” by Walt Heyer, http://thefederalist.com/2015/09/22/transgender-characters-may-win-emmys-but-transgender-people-hurt-themselves/
 The Williams Institute, “Suicide Attempts among Transgender and Gender Non-Conforming Adults” by Ann P. Haas, Ph.D., Philip L. Rogers, Ph.D., and Jody L. Herman, Ph.D. http://williamsinstitute.law.ucla.edu/wp-content/uploads/AFSP-Williams-Suicide-Report-Final.pdf.
 Personas que creen que poseen una identidad parcial o enteramente no humana