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- European federation (4)
- Coudenhove-Kalergi, Richard Nicolaus, Graf von, 1894-1972 (1)
- Europe--History--1918-1945 (1)
- Europe--Languages (1)
- Europe--Politics and government--1918-1945 (1)
- Europe--Relations--Germany (1)
- European Union countries--Languages--Political aspects (1)
- Germany--Relations--Europe (1)
- Language policy--European Union countries (1)
- Languages--Political aspects (1)
- Lexicology (1)
- Multilingualism--Europe (1)