Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Casework revisions - rooms #220 and #216: plan, section, and elevation (1/2", 3/4", 1 1/2" and 6" = 1'-0")

Graphite on off-white wove paper

Black ink and graphite on off-white wove paper

Black chalk and watercolor on off-white wove paper

Black ink and graphite on off-white wove paper

Graphite on paper

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

Crayon on paper

Crayon on paper

Black ink with blue, red, and black ground pigments on off-white antique laid paper

Graphite on white wove paper

Watercolor and gouache over graphite on buff laid paper

Graphite on off-white wove paper