Non-Ferrous Metals Exhibit for "German People--German Labor" Exhibition, Berlin, 1934: Interior perspective

Black crayon on paper

Graphite on paper

Paper with orange marker traces

Colored marker on paper

Colored marker on paper

Graphite on paper

Black crayon on paper

Colored marker and graphite on paper

Graphite and colored pencil on paper

Black pen on adhesive label and blue pen on paper

Graphite on paper

Colored marker and blue pen on paper