Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Connector enclosures, ground and first floors: details (1/2" = 1'0")

Black ink and charcoal on cream laid paper

Ink with collage on paper

Brown ink and wash on thin cream wove paper

Graphite on off-white wove paper

Graphite and black chalk on off-white wove ppr, mounted to heavy blue wove ppr

Graphite and black crayon with red watercolor on off-white wove paper

Watercolor on off-white wove paper

Watercolor over graphite on ivory wove paper

Graphite on off-white wove paper

Beeswax, graphite, detritus and debris on wove paper

Graphite on off-white wove paper

Graphite on paper