
http://www.sinistraliberale.org/files/Manifesto_di_Ventotene_1944.pdf

https://blogs.lse.ac.uk/europpblog/2024/05/31/the-netherlands-still-european-in-the-eye-of-the-populist-storm/

https://yougov.co.uk/news/2017/04/26/voting-intention-conservatives-45-labour-29-25-26-/