Robert Rauschenberg, ‘Factum I & Factum II’, 1957
Alex Katz, ‘Ada Ada’, 1959
Mario Schifano, ‘Aut aut’, 1960
Andy Warhol, ‘Double Elvis’, 1963
Antony Donaldson, ‘Mulsanne Straight’, 1964
Brice Marden, ‘Untitled’, 1965
', 1968, pencil on paper, 19 x 28,5 cm.jpg "William Anastasi, Subway Drawing (V. Dwan), 1968, pencil on paper, 19 x 28,5 cm")
William Anastasi, ‘Subway Drawing (V. Dwan)’, 1968
Jo Baer, ‘Untitled (vertical flanking diptych - red)’, 1966-74
Jasper Johns, ‘Flags I’, 1973
Guy de Cointet, Two Drawings, 1974
![Thomas Schutte, Paar [Pair], 1979](http://search.it.online.fr/covers/wp-content/Thomas_Schutte,_Paar_[Pair],_1979.jpg)
Thomas Schutte, ‘Paar’ [Pair], 1979
Thomas Schutte, ‘Paare’, 1980, lined up in the studio
, ‘Untitled (Jet Mixer Ejector),’ 1985, two elements--acrylic on colored Xerox, 27.9 x 21.6 cm.jpg "Jean Michel Basquiat (1960-1988), ‘Untitled (Jet Mixer Ejector),’ 1985, two elements--acrylic on colored Xerox, 27.9 x 21.6 cm")
Jean Michel Basquiat, ‘Untitled (Jet Mixer Ejector),’ 1985
Roy Lichtenstein, ‘Imperfect Diptych’, 1988
Peter Friedl, ‘5 bis 6 Amazonaskrokodile’, 1990
Bernard Piffaretti, ‘Sans titre’, 1991
Joan Mitchell, ‘Sunflowers II’, 1992
Dan Walsh, ‘Reflector’, 1995, acrylic on canvas, 178 x 177.8 cm
_Blurriness_(Agfa_tre.jpg)
Nina Childress, ‘Blurriness (Kodak tree) Blurriness (Agfa tree)’, 2000
Adrienne Ranson, ‘Becoming’, 2004
Lisa Tan, ‘Two in the Labyrinth’, 2006
Marijn van Kreij, ‘Untitled (Styles, Crews, Flows, Beats)’, 2007
Ryan Gander, ‘Investigation #13, Look’, 2008
Dan Rees, ‘Payne’s Grey and Vermillion’, 2010
Brent Wadden, ‘Large Double Double,’ 2014
