Las deformaciones son proporcionales a las tensiones , 1972. Pencil on paper and typed paper, 2 pieces 11 x 8 in. (28 x 20.3 cm.) each

Hoy el arte es una carcel , 1972. Stamp on paper and 100 page spiral notebook, 24 x 18 in. (61 x 45.7 cm.)

Hoy el arte es una carcel , 1972. Graphite on vellum, 27 x 27 in. (68.6 x 68.6 cm.)

Art is a Jail , 1972. Rubber stamp, copper wire and ink on paper, 25 1/4 x 19 1/4 x 1 1/2 in. (64 x 49 x 4 cm.)

Anteproyecto de cárcel subterránea y de cárcel flotante , 1973. Pencil on tracing paper, 12 x 20 in. (30.5 x 50.8 cm.)

Seis imágenes del fragmento 30 (America del Sur) II , 1973. Burnt printed maps and ink on paper, 14 1/2 x 46 5/16 in. (36.8 x 117.6 cm.)

Hipótesis XXXIX (New York City) , 2012. Acrylic on canvas, enamel on wood, dimensions variable

Hipótesis XXV , 2010. Acrylic on canvas, enamel on wood, dimensions variable

Seis libros , 2011. Acrylic on books, enamel on wood, 11 7/8 x 46 1/4 in. (30.2 x 120 cm.)

Hipótesis XXIII , 2010. Acrylic on canvas, enamel on wood, dimensions variable

Este papel es una carcel , 1972/2007. Photograph, 9 1/8 x 11 7/8 in. (23.2 x 30.2 cm.)

Le Monde, Mercredi, 18 Juin, 1986 Pg 47 , 1986. Newspaper and oil pastel on tracing paper, 19 1/4 x 13 in. (49 x 33 cm.)

El Pais, viernes 29 de noviembre de 1985, Pg 9 , 1985. Newspaper and oil pastel on tracing paper, 16 x 11 1/2 in. 40.6 x 29.2 cm.)

Tension Fuerza Area , 1974. Ink on printed map, 14 3/4 x 11 7/8 in. (37.5 x 30.2 cm.)

Deformaciones y hundimientos (RA) II , 1974. Pencil and acrylic on paper, 12 1/2 x 8 5/8 in. (31.8 x 22 cm.)

Deformaciones y hundimientos (RA) I , 1974. Pencil and ink on paper, 12 1/2 x 8 5/8 in. (31.8 x 22 cm.)

De-formaciones en America del Sur A, B, C, D , 1974. Pencil on paper, 4 pieces 11 3/4 x 16 1/4 in. (30 x 41.3 cm.) each

Record de ocultamientos , 1973. Rubber stamp on printed maps, 12 pieces 9 3/8 x 7 1/2 in. (23.8 x 19 cm.) each

Revisar/Censurar 1/4 , 1974. Ink and pencil on printed maps, 5 pieces 8 1/2 x 6 in. (21.6 x 15.2 cm.) each

Art is a jail , 1972. Rubber stamps on tracing paper, 14 x 42 1/2 in. (35.6 x 108 cm.)

Anteproyecto de cárcel sobre columna , 1974. Pencil and pastel on graphing paper, 10 3/4 x 8 1/4 in. (27.3 x 21 cm.)

Seis obstrucciones de América del Sur (del I al VI) , 1973. Ink on paper, 15 3/4 x 55 in. (40 x 139.7 cm.)

Combustión II , 1973. Ink on burnt paper, 12 1/4 x 14 7/8 in. (31.1 x 37.8 cm.)

Anteproyectos de cárcel subterránea, cárcel flotante y cárcel sobre columna , 1973. Pencil on tracing paper, 17 1/2 x 32 3/8 in. framed

Terra Ignota , 1973. Ink on paper, 14 5/16 x 32 7/16 in. (36.4 x 82.4 cm.)

Anteproyecto de reformatorio para artistas , 1973. Pencil on tracing paper, 12 x 22 5/8 in. (30.5 x 57.5 cm.)