Untitled (stamps from Spain, left page); Untitled (pasted architectural plan for Palais des Beaux Arts de Bruxelles)

Graphite on paper

Colored marker on paper

Graphite on paper

Blue marker and black pen on paper

Charcoal and graphite on off-white wove paper, mounted to off-white wove paper

Colored marker on paper

Ink and wash on paper

Ink and graphite on paper

Graphite on paper

Black ink over graphite on off-white wove paper

Graphite on paper

Black ink on cardboard