· SEA Treaty: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=OJ:L:1987:169:TOC

· Maastricht Treaty: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex%3A11992M%2FTXT

· Amsterdam Treaty: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex%3A11997D%2FTXT

· Nice Treaty: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex%3A12001C

· Constitutional Treaty: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=oj:JOC_2003_169_R_0001_01

· Lisbon Treaty: https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=celex%3A12007L%2FTXT

· Charter of Fundamental Rights of the EU: https://eur-lex.europa.eu/legal-content/EN/TXT/HTML/?uri=CELEX:12012P/TXT

· European Union: https://european-union.europa.eu/index_en

· European Commission: https://commission.europa.eu/index_en

· European Parliament: https://www.europarl.europa.eu/portal/en

· Council/European Council: https://www.consilium.europa.eu/en/

· CJEU: https://curia.europa.eu/jcms/jcms/j_6/en/

· EEAS: https://www.eeas.europa.eu/_en

· ECB: https://www.ecb.europa.eu/home/html/index.en.html

· Legislative observatory: https://oeil.secure.europarl.europa.eu/oeil/en

· EUR-Lex: https://eur-lex.europa.eu/homepage.html?locale=en

· Transparency Register: https://transparency-register.europa.eu/index_en