Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Pergola details: sections (3/4" = 1'-0")

Pen and ink and brush on white wover paper

Charcoal and graphite on off-white laid paper, squared

Black ink on off-white wove paper

Oil and watercolor over graphite on cream wove paper

Black, white and red chalks on gray paper

Graphite on off-white wove paper

Watercolor on cream wove paper

Black crayon on paper

Graphite on off-white wove paper

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

Black ink, watercolor, and graphite on white wove paper

Black ink and gray wash over graphite on off-white wove paper