Head of Donatello's "Saint John," Frari, Venice

Black ink and red gouache on off-white laid paper

Graphite and colored pencil on paper

Black ink on off-white wove paper

Blue pen, typed black ink on paper, and adhesive on paper

Black marker and black pen on 1976 Creative Time exhibition invitation postcard, adhesive, and black marker on paper

Crayon on paper

Graphite on paper

Graphite on off-white wove paper

Graphite on off-white tracing paper

Graphite and colored pencils on paper

Black crayon on back of letter

Graphite with stylus and extensive stumping on ivory wove paper