Convent and Alpine Pass, Visp, Switzerland

Black ink and gray wash on heavy paper

Brown ink and wash on buff paper, discolored

Black ink and graphite on off-white wove paper

Graphite on buff paper

Metalpoint on prepared paper

Graphite on cream wove paper

Red chalk, squared, on rice paper

Graphite on cream wove paper

Brown ink and graphite on cream wove paper

Graphite on heavy cream wove paper

Watercolor, gouache, and graphite on cream wove paper, darkened

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