Untitled (bleed-through of previous page, left page); Untitled (Skydance/Skytime design for Guggenheim, right page)

Black pen and colored marker on paper

Graphite and red crayon on paper

Black marker on paper

Blue, green and violet crayon on paper

Black marker on paper

Colored marker and blue and black pen on paper

Graphite with green, blue and yellow crayon on paper

Colored marker and black pen on paper

Colored marker on paper

Graphite on envelope

Graphite on paper

Graphite on off-white wove paper