Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Suggested type of welding details (1" = 1'-0")

Black ink, graphite, and yellow chalk on off-white wove paper

Black marker on graph paper

Watercolor over black crayon on white wove paper

Graphite and colored pencil on paper

Colored crayons on paper

Graphite and found fiber on handmade paper

Black ink, metallic colored pencil and metallic paint on cream wove translucent paper

Graphite on paper

Black pencil on gray paper

Colored crayons on paper

Ink on paper

Watercolor over graphite on off-white wove paper