Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Terraces G and C: plans and elevations (1/4" , 1/2" = 1'-0" and full size)

Watercolor over graphite on off-white wove paper

Black ink over graphite on off-white wove paper

Graphite on off-white wove paper

Watercolor on off-white wove paper

Black ink on heavy light green wove paper

Graphite on buff wove paper

Black ink on off-white wove paper

Watercolor over graphite on off-white wove paper

Black and red fiber-tip ink and transfer letters on translucent vellum paper

Graphite and beeswax on wove paper

Crayon on paper

Ink and graphite on paper