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Published: New York u.a. : Praeger, 1991.
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Published: Karlsruhe : Evang. Presseverb. für Baden, 1986.
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Published: Città del Vaticano : Libr. Ed. Vaticana [u.a.], 1988.
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Published: Heidelberg : Palmyra, 1996.
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Published: Sankt Augustin ; Berlin : Konrad-Adenauer-Stiftung, 2009.
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