• 9 Books

• 8 Philosophers
• 7 Correspondence
• 1 Composers
• 1 Composers' spouses
• 1 Philosophy
• 1 Tagebücher
• 1 Wagner, Cosima, 1837-1930

• 7 Santiago Guervos, Luis Enrique de
• 6 Nietzsche, Friedrich Wilhelm, 1844-1900
• 2 Parmeggiani, Marco
• 1 Llinares, Joan B
• 1 Lorenz, Ansgar
• 1 Otero Villena, Almudena
• 1 Padilla Villate, José Antonio
• 1 Romero Cuevas, José Manuel
• 1 Rubio, Andres
• 1 Ruffing, Reiner, 1955-
• 1 Strathern, Paul, 1940-
• 1 Vermal, Juan Luis,
• 1 Wagner, Cosima, 1837-1930

• 9 Spanish

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