The Spiritual in Art : Abstract Painting 1890-1985 (exhibition Los Angeles County Museum of Art, 23.11.1986 - 8.3.1987 ; Chicago, Museum of Contemporary Art, 17.4 - 19.7.1987 ; Den Haag, Haags Gemeentemuseum, 1.9 - 22.11.1987). - Tuchman, Maurice (Los Angeles County Museum of Art,, 1986)