Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Standard for electracide lamp: elevation (1/2" = 1'-0" )

Graphite on paper

Copperpoint, fire, smoke, wax, on prepared paper

Watercolor over graphite on heavy off-white wove paper

Watercolor and white gouache on off-white wove paper

Graphite and charcoal; verso: charcoal and graphite

Black ink with graphite ruling lines on thin ivory laid paper

Watercolor and gouache over graphite on off-white wove paper

Watercolor, gouache, acrylic ink & gold leaf on off-white Arches 100% rag paper

Black ink and gray wash on off-white wove paper

Graphite on off-white wove paper

Graphite on paper

Brown ink and graphite on brown paper