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

Watercolor on off-white wove paper

Watercolor over graphite on off-white wove paper

Graphite on paper

Graphite on brown wove paper

Black ink on off-white tracing paper

Watercolor over graphite on off-white wove paper; verso: graphite

Black ink, watercolor, and graphite on white wove paper

Graphite, ink, and blue and brown wash ; graphite on paper

Watercolor on off-white wove paper; verso: graphite

Acrylic, crayon (?) and collage, varnished on various papers

Black crayon on paper

Graphite on off-white wove paper