Please note that both works are signed 'Chiharu N.' in English; and dated '07' (on the bottom mounting side of canvas)
Tokyo Gallery + BTAP, Chiharu Nishizawa - For Beautiful Human Life, exh. cat., Tokyo, Japan, 2007 (illustrated, pp. 22-23).
Karlsruhe, Germany, ZKM Center for Art and Media, Thermocline of Art- New Asian Waves, June, 2007.
Tokyo, Japan, Tokyo Gallery & BTAP, Chiharu Nishizawa - For Beautiful Human Life, 18 July-1 September, 2007.