Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Workshop #04: plan and elevations (1/2" = 1'-0")

Graphite on paper

Graphite on paper

Graphite on cream wove paper

Graphite and white gouache on off-white wove paper

Transparent and opaque watercolor and graphite on off-white wove paper

Blue ballpoint ink on pink wove paper

Graphite on off-white wove paper

Watercolor, masking tape and graphite on off-white wove paper

Ink on paper

Black ink, graphite, and yellow chalk on off-white wove paper

Gouache and black crayon (?) on white wove paper

Charcoal on blue wove paper