Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Ground floor plan and sections (1/4" = 1'-0")

Watercolor over graphite on off-white wove paper

Casein on paper

Pastel on two sheets of black wove paper

Graphite and spray fixative on prepared paper

Graphite on darkened off-white wove paper

Black ink on off-white wove paper

Colored crayons on paper

Graphite on thin off-white wove paper

Graphite on off-white wove paper

Colored crayons on paper

Black felt-tipped pen on yellowed newsprint paper

Graphite on paper