D'Auria, Matthew (2011) The Ventotene Manifesto: The Crisis of the Nation State and the Political Identity of Europe. In: European Identity and the Second World War. Palgrave Macmillan, pp. 141-158. ISBN 9780230273238
Vermeiren, Jan (2011) Germany, Austria, and the Idea of the German Nation, 1871-1914. History Compass, 9 (3). pp. 200-214. ISSN 1478-0542