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1Published 1990Other Authors: “…Heckmanns, Friedrich W.…”
Classmark: BK3b Düsseldorf/Kunstmuseum BG-Hb 315/96TBook -
2Published 1986Other Authors: “…Heckmanns, Friedrich W.…”
Classmark: BK2 Felixmüller, Conrad BG-Hb 2217/89TInhaltsverzeichnis
Book