Interior of the Trier Cathedral

Charcoal with white chalk and pastel on paper

Watercolor and graphite on cream wove paper

Watercolor on cream wove paper

Transparent watercolor on antique laid paper

Watercolor

Black pastel on off-white laid paper

Watercolor over graphite on off-white antique laid paper

Watercolor on off-white wove paper

Charcoal with erasure on heavy wove paper

Black chalk, black ink, and gray wash on beige antique laid paper

Transparent and opaque watercolor, and black chalk on off-white wove paper, partial framing line in black chalk

Brown ink and gray wash on cream wove paper