画廊展览 机构展览 Joan Mitchell The Sketchbook Drawings Museum Folkwang, Essen, 27 February – 31 May 2015 展览现场 List Index Artist Page Joan Mitchell The Sketchbook Drawings Museum Folkwang, Essen, 27 February – 31 May 2015 Installation view, Museum Folkwang, Essen, 2015 Installation view, Museum Folkwang, Essen, 2015 Installation view, Museum Folkwang, Essen, 2015 © Estate of Joan Mitchell photographs: Museum Folkwang, Jens Nober 2015