1
Published: Herborn : Oranien-Verl, 1917
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2
Published: Leipzig ; Berlin : Teubner
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5
Published: Berlin : Preuß. Verlagsanst, 1917
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10
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18
Published: Berlin : O. Stollberg & Co, [1924]
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19
20
Published: Berlin : Selbstverl. des Vereins Feldgrau
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