Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Details of main stair (1/2" , 3" = 1'-0" and full size)

Graphite on paper

Black ink and graphite on ivory laid paper

Colored crayon on brown paper

Pastel on brown wove paper

Colored marker on graph paper

Turpentine wash with oil on off-white wove paper

Charcoal on blue laid paper

Very dry pen in oilly medium on commercially lined yellow paper

Opaque watercolor over graphite on tan illustration board, prepared with white ground

Rag/newsprint collage: acrylic paint and pigment on textured white wove paper

Graphite on translucent wove paper

Graphite on off-white wove paper