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...Separat-Abdr.: Bremer Bürger-Zeitung. Bremen (1896). On the cover: Ueber Friedrich Engels....
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Published 1969.
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Published 1976.
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Published [1970?]
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Published 1989.
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Published 1977.
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Published [ca. 1946]
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Published 1970.
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Published 1973.
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Published 1981.
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Published 1970.
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Published 1989.
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by Hirsch, Helmut
Published 1993
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Published 1993
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Published 1995
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