Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Hall sitting room, #220, second floor: plan and elevations (1/2" = 1'-0")

Charcoal on off-white laid paper

Charcoal on off-white laid paper

Graphite on paper

Watercolor on paper

Graphite on off-white wove paper

Two kinds of graphite and colored wax crayons with extensive stumping on off-white wove paper edged with lavender paper on left and right sides

Charcoal on cream laid paper

Graphite on paper

Black crayon on off-white wove paper

Graphite and stumping on white wove paper

Graphite on ruled cream wove paper

Gouache on blue wove paper?