Untitled (bleed-through of previous page, left page); Untitled (designs for "Zero Raum," right page)

Brown ink over graphite on off-white wove paper

Pastel on thin off-white wove paper

Colored marker and adhesive tape on paper

Black crayon on tan paper

Colored marker on paper

Graphite on off-white wove paper

Watercolor and gouache over graphite on cream wove paper

Brown ink with incidental red and black chalk on off white antique laid paper; verso: brown ink

Black chalk on gray-brown antique laid paper; verso: black chalk

Graphite on off-white wove paper

Black chalk with gray wash on cream antique laid paper, mounted

Black ink with black, brown and dark gray wash, over black chalk, on off-white wove paper prepared with light gray wash