1
Published: Berlin : Deutscher Wirtschaftsverl, 1930-
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2
Published: London : Europa-Publ, 1944
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3
Published: Berlin : Propyläen
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4
Published: Berlin : Propyläen, 1937
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5
Published: Lübeck : Schmidt/Römhild, 1990 ff.
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6
Published: Poznan : Wydawn. Poznanskie, 1997
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7
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8
Published: Berlin : Haude und Spener, 2003
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9
Published: Stuttgart : Kohlhammer, 1991
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10
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11
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12
Published: Frankfurt a.M. : Fischer Taschenbuch, 1995
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