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

Black crayon on paper

Black ink, partly over graphite, on cream laid paper.

Colored marker on paper

Graphite on off-white wove paper

Blue and red crayon on paper

Paper

Watercolor on off-white wove paper

Graphite on paper

Graphite on paper

Graphite on paper

Graphite on cream laid paper

Black marker and pen on paper