MEP849776:
Wall drawing # 852 e 853, by Sol LeWitt, 10 July - 13 September 1998, 20th Century, acrylic on wall, LeWitt, Sol (1928-2007) / Bridgeman Images
CH2819265:
Wall Drawing #100: Arches from Midpoints of Four Sides, Each Side a Different Color, 1971 (coloured pencil on wall), LeWitt, Sol (1928-2007) / Bridgeman Images
CH1448708:
Certificate of authenticity for Wall Drawing #6A, conceived 2000 (print & pen and ink on paper) (see also 1448707-9), LeWitt, Sol (1928-2007) / Bridgeman Images
CH1771100:
Black Grid, Yellow Circles, Blue Arcs from Four Corners, Red Arcs from Four Sides, 1972 (ink and graphite on paper), LeWitt, Sol (1928-2007) / Bridgeman Images