Apartment House for Interbau Exhibition, Berlin-Hansaviertel, 1955-1957: Main entrance: ground floor plan, elevation, sections, 1:20

Black ink and black wash on tan wove paper

Beeswax, graphite, detritus and debris on wove paper

Graphite, black chalk, pastel and lithographic crayon? with scratchwork and stumping on smooth surfaced multi-ply cream wove paper

Watercolor and graphite on white wove paper

Graphite and gray wash on off-white wove paper

Graphite and colored pencil on paper

Black ink on brown laid paper

Charcoal on off-white laid paper

Graphite on off-white wove paper

Graphite on darkened off-white wove paper

Incised line and Aquarelle on white wove paper

Graphite and colored pencil on cream wove paper