Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Location of underwater pool lighting: diagram and detail (1/4" = 1'0")

Graphite on darkened off-white wove paper

Graphite on off-white wove paper

Watercolor over graphite on heavy off-white wove paper

Black crayon and ink on paper

Graphite and conté crayon with erasure and stumping on cream wove paper

Black ink on tan wove paper

Graphite on paper

studies for Synagogue, graphite on paper

Black crayon on blue-flecked cream laid paper

Watercolor over graphite on illustration board

Graphite on cream laid paper

Pen and ink and brush on white wove paper