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by Classen, Carl Joachim; Classen, Carl Friedrich (CON); Classen, Claus Dieter (CON); et al.
by Von Der Decken, Carl Claus
by Claus, Carl
by Kindhauser, Urs; Kress, Claus; Pawlik, Michael; et al.
by Ring, Johannes; Bachert, Claus; Bauer, Carl-Peter; et al.
by Claus, Carl; Grobben, Karl; Kühn, Alfred