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 off-white wove paper

Charcoal on cream wove paper

Watercolor over graphite on heavy cream wove paper (recto and verso)

Graphite on cardboard

Graphite on oiled brown wove paper, squared

Black and colored chalks on brown laid paper

Watercolor and white gouache on gray wove paper; verso: graphite; mounted to cardboard.

Black wax crayon on tan wove paper

Watercolor and graphite on cream wove paper

Black ink and graphite on graph paper

Charcoal and black ink on cream laid paper

Black crayon and ink on paper