Synthetic polymer paint on wood735∕8 x 707∕8 x 57∕8" (187 x 180 x 15 cm)Collection Dulce & João Carlos de Figueiredo FerrazAudio courtesy of Acoustiguide

León Ferrari. Unión libre (Free union). 2004

Dec 3rd, 2010 1m 23s

Braille (surface embossing) of the poem "Unión libre" by André Breton, in Spanish trans. by Aldo Pellegrini, on a printed reproduction of a photograph by Augusto C. Ferrari, c. 1924115∕8 x 81∕4" (29.5 x 21 cm)Fundación Augusto y León Ferrari.

León Ferrari. Juicio final (Last Judgment). 1994

Dec 3rd, 2010 1m 38s

Printed paper (reproduction of Michelangelo's Last Judgment) with bird excrement591∕16 x 471∕4 x 43∕4" (150 x 120 x 12 cm)Fundación Augusto y León Ferrari. Archivo y Colección, Buenos AiresAudio courtesy of Acoustiguide

Mira Schendel. Untitled from the series Objetos gráficos (Graphic objects). 1972

Dec 3rd, 2010 1m 47s

Transfer type on thin Japanese paper between frosted acrylic sheets373∕8 x 373∕8 x 3∕8" (95 x 95 x 1 cm)Collection Clara SancovskyAudio courtesy of Acoustiguide

Mira Schendel. Untitled from the series Droguinhas (Little nothings). c. 1966

Dec 3rd, 2010 1m 28s

Japanese paperDimensions variable; 26" (66 cm) fully extendedCollection Diane and Bruce HalleAudio courtesy of Acoustiguide

León Ferrari. Torre de Babel (Tower of Babel). 1964

Dec 3rd, 2010 1m 33s

Stainless steel, bronze and copper783∕4 x 311∕2" (200 x 80 cm)Tate: Lent by the American Fund for the Tate Gallery, 2008Audio courtesy of Acoustiguide

León Ferrari. Cuadro escrito (Written painting). December 17, 1964

Dec 3rd, 2010 1m 54s

Ink on paper26 x 187∕8" (66 x 48 cm)Collection Eduardo F. Costantini, Buenos AiresAudio courtesy of Acoustiguide

Mira Schendel. Untitled. 1954.

Dec 3rd, 2010 58s

Tempera on gessoed panel with painted wood blocks201∕8 x 26" (51.1 x 66 cm)The Museum of Fine Arts, Houston. The Adolpho Leirner Collection of Brazilian Constructive Art, museum purchase with funds provided by the Caroline Wiess Law Accession