Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Sash revision, master bedroom: plan, elevation, section (1/2" =1"-0" )

Silverpoint and graphite on white prepared paper

Black ink on tan wove paper

Black ink on lithographed lines on off-white wove paper

Graphite on cream wove paper

Graphite and ink on paper

Red and black chalk on heavy off-white wove paper

Graphite and colored pencil on paper

Black and white chalk on darkened buff laid paper

Ink on paper

Graphite on paper

Graphite on off-white wove paper

Watercolor and graphite on heavy off-white wove paper