High-Rise Steel Frame Apartment Building, 1929-1930: North elevation, 1:100

Graphite on paper

Black and gray marker on paper

Graphite on paper

Watercolor on paper

Graphite ; graphite and blue crayon on paper

Color photocopy and adhesive on sketchbook paper

Graphite on paper

Black and colored crayons on off-white laid paper

Black marker on paper

Graphite on paper

Watercolor on off white wove paper

Black marker on paper, staples, and gray marker on paper