Untitled (pasted sketch on colored paper, left page); Untitled (pasted sketch with notes, right page)

Colored marker on paper

Charcoal on paper

Graphite on paper

Black marker on paper

Colored marker and blue pen on paper

Colored marker on paper

Purple and blue crayon on paper

Black and blue marker on paper

Black crayon on paper

Graphite on paper

Graphite on paper

Black and red marker on paper