Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Exterior stone through main entrance; part of northwest elevation (1/2" and 1/4" = 1'0")

Watercolor, gray wash, blue ballpoint, and graphite on off-white wove paper

Colored pencil and graphite on gray cardboard

Graphite with stylus and extensive stumping on ivory wove paper

Pastel on off-white wove paper?

Graphite on white wove paper

Black ink on off-white wove paper

Black, white, and colored pastel on off-white wove paper

Graphite on off-white wove paper (recto and verso)

Graphite on cream wove paper

Graphite on paper

Watercolor on cream wove paper

Graphite on off-white wove paper