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

Watercolor over graphite on off-white wove paper

Graphite on paper

Black ink on off-white wove paper

Black ink over graphite on cream wove paper

Watercolor on cream wove paper

Pastel on cardboard

Black ink on off-white wove paper

Gray wash over graphite on thin cream wove paper, mounted to heavy cardboard

Black ink on cream wove paper

Black ink, charcoal, and watercolor on cream laid paper

Watercolor over graphite on off-white wove paper

Graphite, black crayon, and white chalk on blue-gray laid paper