Rudolf Kügler

1950
Berliner Künstler, Bonn; "Berliner Neue Gruppe", Kunstverein Hannover

1953
Exposition Internationale des Academies des Beaux Arts, Milan German Graphics of the 20te Century Reykjavik Island

1954
Recent German Graphic Arts, Dublin, Irland; Arte Aleman Actuel, Mexico City; Recent German Graphic Arts, New Zealand;
"Berliner Neue Gruppe", Kunstverein Hannover

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