Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Location of weep holes: plans, elevation, and section (1/2" and 3/4" = 1'-0" )

Gouache on illustration board

Black ink over graphite, with touches of white gouache, on cream board

Watercolor, black ink, and metallic paint over graphite on off-white wove paper; graphite and gray wash

Graphite on paper

Black ink on cream wove paper

Watercolor on off-white wove paper

Watercolor and white gouache over graphite on off-white wove paper

Black ink on off-white antique laid paper

Graphite and acrylic on white wove paper

Black ink on heavy off-white wove paper

Graphite on off-white wove paper

Watercolor and graphite on layered off-white wove paper