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

Graphite on paper

Black and blue crayon on paper

Beeswax, graphite, detritus and debris on wove paper

Colored pencil on brown wove paper

Watercolor over graphite on heavy white wove paper

Watercolor on off-white wove paper

Graphite and orange chalk on blue-green laid paper

Watercolor over graphite on off-white wove paper, mounted to off-white card

Blue-black ink on off-white wove paper

Graphite on cream wove paper

Black ink and gray wash over graphite on off-white wove paper

Graphite on off-white wove paper