
https://theconversation.com/una-boda-entre-dos-hombres-en-el-ourense-del-siglo-xi-234530

https://www.congress.gov/117/plaws/publ169/PLAW-117publ169.pdf

https://www.brookings.edu/wp-content/uploads/2018/02/leave-no-country-behind_global-working-paper.pdf