1
2
Published: Manchester : Manchester Univ. Press, 1983
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3
4
5
Book
6
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7
10
11
Published: Stuttgart : Klett, 1960
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12
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13
14
Published: Hartford, Conn. : Cesare Barbieri Center for Italian Studies, 1980
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15
Published: Salisbury, N.C. : Documentary Publ, 1978
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16
Published: Berlin : VEB, Deutscher Verlag der Wissenschaften, 1969
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17
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