The perfect title comes along once in a lifetime. Here is ours. Also, here are some sources for further research into the science of sex, gender, and the legitimacy of the LGBTQ+ community.

https://www.hrc.org/resources/sexual-orientation-and-gender-identity-terminology-and-definitions

https://www.npr.org/2021/06/02/996319297/gender-identity-pronouns-expression-guide-lgbtq

https://www.thetrevorproject.org/resources/article/understanding-gender-identities-and-pronouns/

https://en.wikipedia.org/wiki/Gender_identity

https://www.ifge.org/

https://transequality.org/

https://www.genderspectrum.org/

https://web.archive.org/web/20041209201347/http://www.genderology.org/