Untitled (adhered calculations, left page); Untitled (adhered pages of calculations, right page)

Colored marker on paper

Watercolor, black ink, graphite, and black chalk on off-white antique laid paper

Graphite on off-white wove paper

Colored marker on paper

Charcoal on tan wove paper

Colored marker on paper

Plant material on paper

Graphite on paper

Graphite on paper

Metalpoint on prepared paper

Colored marker on paper