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

Black ink and charcoal on cream laid paper

Black ink on off-white wove paper

Black ink and charcoal on cream laid paper

Watercolor over graphite on heavy off-white wove paper

Graphite on paper

Black ink over graphite on cream laid paper

Watercolor on off-white wove paper

Watercolor, with extra binder, over graphite on cream laid paper

Black ink and graphite on off-white wove paper

Graphite on paper

Red-orange crayon and graphite on off-white wove paper