Carel Balth : The next stage of knowing - Haks, Frans; Groninger Museum, Groningen; Museum Folkwang Essen; Felix, Zdenek; Van Mulders, Wim (Groningen : Groninger Museum, 1985)
Carel Balth: The next stage of knowing, Groninger Museum, Groningen, 7.12.'85-12.1.'86 / Museum Folkwang, Essen 31.1-2.3.'86
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Keywords: Balth, Carel