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- Language: Italian
- Year: 2021
- Author: Massimo Adinolfi, Graziella Berto, Enrico Cerasi, Massimo Donà, Ernesto Forcellino, Friedrich Hölderlin, Walter Jaeschke, Enrica Lisciani-Petrini, Leo Lugarini, Ettore Rocca, Vincenzo Vitiello
- Language: Italian
- Year: 2021
- Author: Leo Lugarini
- Language: Italian
- Year: 1950
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- Language: Italian
- Year: 1972
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- Year: 1972
- Author: Leo Lugarini
- Language: Italian
- Year: 1950