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by Umrath, Heinz 1905-1987
Published: Bonn : Archiv der Sozialen Demokratie <Friedrich-Ebert-Stiftung>
Published: Bonn : Archiv der Sozialen Demokratie <Friedrich-Ebert-Stiftung>
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Published: Philadelphia, Pa. : American Acad. of Political and Social Science, 1980
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Published: Wien : Österr. Bundesverl. für Unterricht, Wiss. und Kunst, 1977
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