1
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Published: New York u.a. : Praeger, 1991.
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3
Published: Frankfurt am Main : Haag + Herchen, 1994.
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4
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6
Published: Karlsruhe : Evang. Presseverb. für Baden, 1986.
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9
Published: Regensburg : Pustet, 1989.
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10
Published: Heidelberg : Palmyra, 1996.
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Published: Sankt Augustin ; Berlin : Konrad-Adenauer-Stiftung, 2009.
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19
Published: München : Schobert, 1986.
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20
Published: Minneapolis , Minn. : Fortress Press, 2000.
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