Proun (Study for a lithograph in the Kestner Portfolio)

Gouache and red and black inks on tan coated paper

Gouache, ink, and graphite on tan wove paper

Watercolor

Graphite on white paper

Graphite on white paper

Graphite, gouache, and crayon, with collage elements, on paper

Graphite, gouache, metallic paint, black and red ink and typewritten labels

Graphite, opaque watercolor, black ink, and transparent varnish on cream wove paper mounted to off-white wove paper

Charcoal

Black ink, graphite, and gouache on off-white laid paper

Graphite on beige paper

Gouache with graphite and ink on paper