Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Design for sandblasting glazed partition, first floor: elevations (1/2" = 1'-0" and full size)

Black ink, charcoal, and watercolor on cream laid paper, edges taped

Purple fiber-tip ink on white wove paper

Black ink on off-white wove paper

Graphite on paper

Pastel, opaque watercolor, and graphite on paper

Black chalk over brown chalk on darkened off-white wove paper

Gouache and black ink on cream cardstock

Graphite on off-white wove paper

Black crayon on off-white wove paper

Watercolor and graphite on off-white wove paper

Graphite on heavy cream wove paper

Oilstick on white wove paper