Study of Points and Lines; verso: Study of Stools

Graphite on tracing paper

Black crayon on paper

Black crayon on paper and mounted

Colored marker on paper

Graphite on paper

Charcoal, chalk, oil on gray paper

Colored marker and black pen on paper

Black crayon on off-white wove paper

Black and red marker on paper

Black and blue marker, paper, and adhesive label on paper

Graphite on paper

Colored crayons on off-white wove paper