Adolf Wölffli (1864-1930) : 30 drawings selected from the collection of the Wölffli Foundation, Kunstmuseum Bern, Switzerland. - 1992-09-17 tot 1992-10-14, Zafer Carsisi Galerisi Ankara (Ankara : Zafer Carsisi Galerisi Ankara, 1992)
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Keywords: Wölffli, Adolf