1
2
3
4
Published: Münster [u.a.] : Waxmann, 2001
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5
6
Published: Braunschweig : Limbach, 1973
Book
7
Published: Braunschweig : Limbach, 1962
Book
8
Book
9
10
11
Published: Leipzig [u.a.] : Klett, 1994
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12
Published: Hamburg, 1982
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13
14
Published: Bonn : Bundeszentrale für politische Bildung, 2000
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15
16
Published: Frankfurt am Main : Magistrat d. Stadt, 1989
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17
Book
18
Book
19
20
Published: Paderborn : Schöningh, 1998
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