Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Details of model base and location model (1/2" , 1 1/2 , 3" = 1'-0" and full size )

Graphite on paper

Charcoal on blue laid paper

Watercolor and white gouache over graphite on off-white wove paper

Charcoal on blue laid paper

Brown and black paint on cream wove paper

Oil paint, charcoal, pressure-sensitive tape collage elements on wove paper

Sketchbook with beige cloth-covered cardboard covers

Black ink and gray wash on cream laid paper, mounted to gray wove paper

Charcoal on off-white laid paper

Black fiber-tip ink on off-white wove paper

Black crayon on off-white laid paper

Graphite on paper