1
2
Published: Düsseldorf : Droste, 1979
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3
Published: Düsseldorf : Droste, 1981
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4
Published: Düsseldorf : Droste, 1987
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5
Published: Düsseldorf : Droste, 1980
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6
Published: Berlin : Olle & Wolter
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7
Published: Bern : Der Freie Verl, 1919
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8
Published: Berlin : Vereinigung Internationaler Verlagsanstalten, 1927
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9
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10
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11
12
Published: Stuttgart [u.a.] : Kohlhammer, 1961-1997
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13
14
Published: Darmstadt : Wiss. Buchges
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15
16
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17
Published: Berlin : Dietz, 1993
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18
19
20
Published: Köln : Bund-Verl, 1984
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