
Relief 14/268 Auflösungszeichen
1968

Relief
1966/67

Repentirs
1992

Return to Square A
1967 / 68

Return to Square B
1967 / 68

Roman views angel choir fresco
1954

Rotationen
about 1970-73

Running Cola is Africa!
1968

Répartition
1961

Röntgenaufnahme
1958

Röst
1959

Salsa Samba
1979

Schachtrote
1918

Schleife
1985

Schlitzbild, Schwarz-Rot (54/I)
1965

Schotter

Season's Greeting Card
1963

Self-Portrait

Semantische Infra- und Metastruktur
around 1967

Serie grün
1974

Serigraph
undated

Shakespeare
1973

Shift
1970

Shot Kennedy No. 1
1967 / 68

Shot Kennedy No. 2
1967 / 68

Sieguebersonne
1912

Simulated Basilar Membrane Motion (3-D)
1966

Simulated Color Mosaic
1969

Sine Curve Man (1967)
1967

Sine Curve Man (1968)
1967-1968?