1
2
3
Published: Hamburg : Kristeller, 1960
Book
4
Published: Frankfurt am Main : Röderberg-Verlag, 1978
Book
6
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11
Book
12
13
Book
14
16
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Published: Darmstadt : WBG Academic, 1983-
Bonn, 1983-2004
Bonn, 2005-2021
Bonn, 1983-2004
Bonn, 2005-2021
Journal