https://www.europarl.europa.eu/RegData/etudes/BRIE/2022/729299/EPRS_BRI(2022)729299_EN.pdf
https://lawliberty.org/the-fourteenth-amendments-ambiguous-section-three/
http://www.europarl.europa.eu/sides/getDoc.do?pubRef=-%2f%2fEP%2f%2fNONSGML%2bCOMPARL%2bPE-627.625%2b01%2bDOC%2bPDF%2bV0%2f%2fEN
https://papers.ssrn.com/sol3/Delivery.cfm/SSRN_ID4092831_code1752653.pdf?abstractid=4092831&mirid=1