Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Revised shelf in 202: details (1" = 1'-0" and full size)

Oil? pastel sketches on ruled paper taken from spiral notebook

Graphite on paper

Black ink on graph paper

Black ink on off-white wove paper

Graphite on off-white laid paper

Red and black conté crayon on ivory tracing paper

Watercolor and graphite on off-white wove paper, mounted to cardboard

Charcoal on off-white laid paper

Mixed media on paper

Ink on paper

Graphite on off-white card

Watercolor over graphite and colored chalk on off-white wove paper