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

Graphite on off-white wove paper

Black crayon on paper

Graphite on paper

Black crayon, black ink, and white gouache on ivory wove paper

Watercolor on off-white wove paper

Graphite on off-white wove paper

Monoprint, pastel, watercolor, acrylic, oil and graphite on gray printing paper

Graphite on off-white wove paper

Watercolor over graphite on heavy off-white wove paper

Pastel over traces of charcoal on gray wove paper

Graphite and ink on paper

Gray wash over graphite on brown wove paper