High-Rise Steel Frame Apartment Building, 1929-1930: Upper floor plan, 1:100

Graphite on tan wove paper

Graphite on paper

Black crayon on paper

Black and blue crayon on paper

Colored marker on paper

Colored marker on paper

Graphite and watercolor on off-white wove paper

Black ink and applied type on paper

Black and red inks and applied type on paper

Graphite on paper

Colored marker on paper

Black and red inks and applied type on paper