• 38 Books

• 12 History
• 5 Foreign relations
• 4 Court and courtiers
• 4 Democracy
• 3 Berlin Wall, Berlin, Germany, 1961-1989
• 3 Church history
• 3 Economic conditions
• 3 Kings and rulers
• 3 Relations
• 3 Religion and politics
• 3 Social conditions
• 3 World War, 1914-1918
• 2 Causes
• 2 Constitutional law
• 2 European Union
• 2 European federation
• 2 Fascism
• 2 Foreign economic relations
• 2 Political aspects
• 2 Political ethics
• 2 Socialism
• 2 Utopias
• 2 World politics
• 1 Administrative and political divisions

• 3 Martínez Millán, José
• 3 Rivero Rodríguez, Manuel, 1962-
• 3 Versteegen, Gijs
• 1 Albert, Mechthild
• 1 Alberti Rovira, Enoch
• 1 Alcoceba Gallego, Amparo
• 1 Alcántara Sáez, Manuel
• 1 Aldeguer Cerdà, Bernabé
• 1 Andreassi Cieri, Alejandro
• 1 Beauchamp, Alexandra
• 1 Broncano, F. (Fernando)
• 1 Bértoa, Fernando Casal
• 1 CIDOB (Center)
• 1 Canales Aliende, José Manuel
• 1 Castelar, Emilio, 1832-1899
• 1 Cavallaro, Maria Elena
• 1 Cifuentes, Irene
• 1 Clark, Christopher, 1953-
• 1 Colomé, Delfín
• 1 Coudenhove-Kalergi, Richard Nicolaus, Graf von, 1894-1972
• 1 Crisis y Revolución, el Movimiento Obrero Europeo Durante la Guerra y la Revolución Rusa (1914-1921) (Conference) (2017 : Barcelona, Spain)
• 1 Díaz Barrado, Cástor M.
• 1 Eugenio Pérez, Guillermo de
• 1 Faramiñán Fernández-Fígares, Juan Manuel de, 1979-

• 35 Spanish
• 5 French
• 4 English
• 3 Italian
• 3 Portuguese
• 1 Latin

• 8 Spain
• 4 Latin America
• 3 Germany
• 2 European Union countries
• 1 Asia
• 1 Asia, Central
• 1 Chile
• 1 Europe, Eastern
• 1 France
• 1 Ireland
• 1 Mediterranean Region
• 1 Soviet Union

• 3 Conference papers and proceedings
• 2 Biography
• 2 Congresses
• 1 Case studies
• 1 Correspondence
• 1 Fiction
• 1 Periodicals
• 1 Personal narratives, Spanish

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