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Published: Leipzig ; Berlin : Teubner
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Published: Berlin : Preuß. Verlagsanst, 1917
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Published: Berlin : Mittler, [1914].
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Published: Berlin : Mittler, 1937.
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Published: Berlin : Arbeitsausschuß Dt. Verbände, [1929].
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Published: Essen : Essener Verl.-Anst
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