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

Graphite and colored pencil on paper

Graphite on paper

Black ink and pen on paper

Leather bound sketchbook

Watercolor over graphite on off-white wove paper

Colored pencil and graphite on gray cardboard

Graphite on off-white wove paper mounted to tan cardboard

Graphite on off-white wove paper, squared in red pencil

Graphite on off-white laid paper

Graphite on paper

Album with black cloth-covered cardboard covers

Graphite on paper