Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Northwest elevation (proposed alteration) (1/4" = 1'0")

Graphite on off-white wove paper

Graphite on off-white wove paper

Crayon, gouache (?), watercolor and graphite (?) on white wove paper

Graphite on paper

Black ink on acetate

Black ink and graphite on off-white wove paper

Black ink on cream wove paper

Graphite on paper

Green cardboard covers, black cloth spine; thirty-eight pages of off-white wove paper

Graphite on paper

Watercolor, white gouache and graphite on off-white cardboard

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