Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Flower box with trellis: plan, elevation, and sections

Graphite on brown wove paper

Watercolor over graphite on off-white wove paper

Graphite and black crayon ; black crayon on paper

Watercolor and white gouache on blue wove paper, discolored

Graphite on paper

Graphite on off-white wove paper

Gouache on acetate film affixed to cardboard

Charcoal on white rough-finished Bristol board

Graphite on buff wove paper

Black ink and wash with touches of white and rose gouache on buff wove paper

Graphite on heavy weight, white card stock (Strathmore Bristol board)

Graphite on white wove paper