Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Splay in: plan and section (1/2" = 1'-0" and full size)

Black ink and white gouache on white modern laid paper

Watercolor over graphite on off-white wove paper

Watercolor over graphite on off-white wove paper

Watercolor and white gouache over graphite on off-white illustration board

Graphite on paper

Red crayon on buff wove paper

Graphite and colored pencil on paper

Watercolor on ruled off-white wove paper

Black ink and gray wash on off-white laid paper

Watercolor and graphite on white wove paper

Black ink on tan wove paper

Oil, powdered pigment, black crayon, and collage on heavy card