Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Interior elevations (1/4" = 1'-0")

Watercolor and black ink on cream laid paper, edges taped

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Watercolor on ruled off-white wove paper

Graphite on paper

Black ink and graphite on off-white wove graph paper

Watercolor on off-white wove paper

Black ink on off-white handmade rice paper

Watercolor over graphite on off-white wove paper

Black ink, watercolor, and charcoal on off-white laid paper

Graphite on paper

Graphite on off-white wove paper

Black ink and graphite on off-white wove paper (recto and verso)