50 drawings by the blind, made with Ron van der Meer's drawing aid [catalogue of an exhibition held in] The Staircase [of] Whitechapel Art Gallery, 17 April-9 May 1975
Van der Meer, Ron,1945-
Whitechapel Art Gallery.
London Whitechapel Art Gallery
[1975]
Whitechapel Art Gallery.
Artists, Blind