Factory and Office Building for Werkbund Exhibition, Cologne, 1914: Perspective

Colored marker on paper

Black crayon on paper

Graphite and blue crayon on paper

Graphite on paper

Colored marker on paper

Graphite on paper

Paper

Colored marker and black pen on paper

Graphite and transparent watercolor on cream wove paper

Graphite on paper

Colored crayon on paper

part of McDonald's french fry box and adhesive on paper