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by Sombart, Werner, 1863-1941 19.01.1863-18.05.1941
Published: München [u.a.] : Duncker & Humblot, 1915
Published: München [u.a.] : Duncker & Humblot, 1915
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Published: Heidelberg : Schröder, 1921
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by Groener, Wilhelm, 1867-1939 22.11.1867-03.05.1939
Published: Göttingen : Vandenhoeck & Ruprecht, 1957
Published: Göttingen : Vandenhoeck & Ruprecht, 1957
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