Hôtel de Ville, Aix-la-Chapelle

Metalpoint on prepared paper

Brown ink over graphite on cream wove paper

Watercolor, gouache, shell gold, and platinum paint on linen-covered panel prepared with zinc white ground

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

Black chalk on cream modern laid paper

Watercolor and gouache on off-white board

Graphite on cream modern laid paper

Graphite on off-white wove paper

Graphite, varnished(?), on cream wove paper

Brown ink, brown wash, and graphite on cream paper