Landscape , 1960. Acrylic on canvas. 10 1/2 x 8 in. (26.7 x 20.3 cm)

Painting and Sisal , 1962. Oil, graphite and sisal on paper. 19 x 24 in. (48.3 x 61 cm)

Pink and Blue Painting , 1963. Oil on canvas paper. 20 x 30 in. (50.8 x 76.2 cm)

White Painting 1 , 1964. Acrylic on canvas. 30 1/8 x 24 in. (76.5 x 61 cm)

White Landscape 1 , 1963. Acrylic on canvas. 30 x 24 in. (76.2 x 61 cm)

Landscape Pampas 12 . Oil on canvas paper. 19 x 23 in. (48.3 x 58.4 cm)

White Painting 3 , 1964. Acrylic on canvas. 91.4 x 76.2 cm (36 x 30 in.)

White Landscape 2 , 1964. Acrylic on canvas. 50.8 x 76.2 cm (20 x 30 in.)

Long White , 1964. Acrylic on canvas. 88.9 x 76.2 cm (35 x 36.2 in.)

Untitled (White Painting) , 1964. Acrylic on canvas. 104.1 x 81.3 cm (41 x 32 in.)

Yellow Painting , 1965. Acrylic on canvas. 101.6 x 76.2 cm (40 x 30 in.)

Untitled (White Painting) , 1966. Acrylic on canvas. 66 x 53.3 cm (26 x 21 in.)

Collage Tape Painting 3 , 1967. Mixed media. 55.9 x 73.7 cm (22 x 28 in.)

Untitled , 1962. Oil on paper. 19 7/6 x 19 13/16 in. (49.4 x 50.3 cm)

Untitled , 1961. Oil on paper. 19 3/4 x 20 1/8 in. (50.2 x 51.1 cm)

Landscape Pampas 18 , 1961. Oil on paper. 18 7/16 x 25 3/4 in. (46.8 x 65.4 cm)

Landscape Pampas 15 , 1963. Oil on canvas. 16 x 20 in. (40.6 x 50.8 cm)

Untitled , 1961. Oil on paper. 16 15/16 x 23 15/16 in. (43 x 60.8 cm)

Untitled , 1961. Oil on paper. 25 5/8 x 19 3/4 in. (65.1 x 50.2 cm)

Untitled , 1962. Oil on paper. 7 1/16 x 19 in. (17.9 x 48.3 cm)

Untitled (Painting and Satefy Pin) , 1962. Oil on paper. 24 x 19 1/16 in. (61 x 50.3 cm)

Landscape Pampas 9 , 1962. Oil on paper. 20 x 25 in. (50.8 x 63.5 cm)

Untitled , 1963. Oil on paper. 20 1/8 x 16 in. (51.1 x 40.6 cm)

Landscape Pampas 14 , 1961. Oil on paper. 16 x 19 7/8 in. (40.6 x 50.5 cm)

Untitled , 1963. Oil on paper. 20 x 16 in. (50.8 x 40.6 cm)

Landscape Pampas 7 , 1962. Oil on paper. 20 x 15 in. (50.8 x 38.1 cm)

Painting and Zipper , 1962. Oil and zipper on paper. 19 x 24 in. (48.3 x 61 cm)

Landscape Pampas 3 , 1963. Oil on paper. 16 x 16 1/16 in. (40.6 x 40.8 cm)

Painting and Double Tape Collage , 1963 - 1971. Oil on paper. 16 1/6 x 20 1/8 in. (40.8 x 51.1 cm)

Untitled , 1961. Oil on paper. 25 1/2 x 19 3/4 in. (64.8 x 50.2 cm)

Landscape Pampas 8 , 1962. Oil on canvas. 25 x 20 in. (63.5 x 50.8 cm)

Landscape Pampas 6 , 1963. Oil on paper. 25 x 20 in. (63.5 x 50.8 cm)

Landscape Pampas 13 , 1962. Oil on paper. 25 1/2 x 19 3/4 in. (64.8 x 50.2 cm)

Untitled , 1961. Oil on paper. 25 3/4 x 19 3/4 in. (54.4 x 50.2 cm)

Untitled , 1961. Oil on paper. 25 3/4 x 19 7/8 in. (65.4 x 50.5 cm)

Landscape Pampas 10 , 1962. Oil on canvas. 25 x 20 in. (63.5 x 50.8 cm)