1. Bitsch, Marie-Thérèse. La Belgique entre la France et l'Allemagne 1905–1914[Belgium between France and Germany 1905–1914]. Paris: Publications de la Sorbonne, 1994.
2. Dann, Otto. Nation und Nationalismus in Deutschland 1770–1990[Nation and nationalism in Germany 1770–1990]. München: C.H. Beck, 1993.
3. Dawes, Thomas A.Bilingual Teaching in Belgian Schools being the Report on a Visit to Belgian Schools as Gilchrist Travelling Student Presented to the Court of the University of Wales. Cambridge: Cambridge University Press, 1902.
4. Delger, Henk. “Arbeidsmarkt en beroepsmobiliteit: Een onderzoek naar de gelegenheidsstructuur voor Duitse migranten in Rotterdam, 1870–1930 [Labour Market and Professional Mobility: A Research of the Opportunity Structure for German Migrants in Rotterdam, 1870–1930].” In Naar Rotterdam: Immigratie en levensloop in Rotterdam vanaf het einde van de negentiende eeuw[To Rotterdam: Immigration and Path of Life in Rotterdam from the Nineteenth Century Onwards], edited by Paulvan de Laar, LeoLucassen, and KeesMandemakers. Amsterdam: Aksant, 2006.
5. Seduction on the Waterfront: German Merchant Sailors, Masculinity and the 'Brucke zu Heimat' in New York and Buenos Aires, 1884-1914