Untitled (blank, left page); Untitled (exhibition layout for Duisburg Kunsthalle, right page)

Brown wash over graphite on heavy ivory wove paper

Pastel on pressed paper board

Graphite on off-white laid paper

Watercolor on paper

Metalpoint on prepared paper

Graphite on off-white wove paper

Graphite on paper

Watercolor on paper

Black crayon on paper

Brown ink and brown and gray wash on parchment

Colored marker on paper

Black marker on paper