Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Third floor plan

Charcoal on off-white laid paper

Ink and graphite on paper

Graphite on paper

Watercolor and brown chalk on off-white wove paper

Graphite, pink and green pencil on white wove paper

Black crayon on paper

graphtie and red colored pencil on cream colored paper

Graphite on paper

Black fiber-tip ink on off-white wove paper

Crayon on discolored cream wove paper

Black felt-tipped pen on yellowed newsprint paper

Black ink on tan wove paper