https://socialeurope.eu/is-hungary-returning-to-europe
https://ecfr.eu/wp-content/uploads/Beyond-Merkelism-What-Europeans-expect-of-post-election-Germany.pdf
http://www.congreso.es/consti/constitucion/indice/titulos/articulos.jsp?ini=155&tipo=2
https://www.socialeurope.eu/five-theses-for-a-new-left