1
Book
2
Published: Frankfurt am Main : Röderberg, 1981
Book
3
Book
4
Published: Hamburg : Hoffmann und Campe, 1981
Book
5
6
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7
8
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12
Published: Bern ; München : Francke
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13
Published: Bern : Francke
Bern ; München
Berlin
Bern ; München
Berlin
Book
14
Book
15
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18
19
20
Book