1
Published: San Bernardino, Calif. : Borgo Press, 1993.
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2
Published: Frankfurt am Main : Fischer-Taschenbuch-Verl, 1994
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3
Published: Darmstadt : Roether, 1993.
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4
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7
Published: [München] : Boer, 1995.
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8
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11
Published: New York u.a. : Greenwood Press, 1988
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12
13
Published: Detroit : Wayne State Univ. Press, 1996.
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18
Published: Köln [u.a.] : Böhlau, 2000.
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