Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Interior elevations and radiator grille detail (1/4" = 1'-0" and full size)

Brown chalk on off-white machine made rag wove paper

Ink and brown pencil on white wove paper

Black ink and graphite on off-white wove paper; verso: black ink

Colored pencil on buff wove paper

Graphite on cream wove paper

Graphite on off-white wove paper

Colored pencil and chalk on pinkish-tan wove paper

Brown crayon on off-white laid paper

India ink on cream wove ledger paper inscribed in brown ink

Graphite, black ink, white & gray gouache, & black crayon on off-white wove ppr

Watercolor and white gouache on off-white wove paper

Watercolor on ruled off-white wove paper