Sketchbook: Québec City/Condor Airplane Competition (unrealized)/Sky Events

Green crayon on paper

Colored crayon on cream paper

Graphite on paper

Graphite on paper

Graphite on paper

Black crayon on paper

Graphite on paper

Colored marker and black pen on paper

Colored crayons on paper

B/w photocopy, colored marker, and adhesive on paper

Graphite on paper

Black marker on paper