Interior of the Trier Cathedral

Colored chalk and pastel on brown wove paper

Watercolor

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

Watercolor, gouache and touches of black colored pencil on cream wove paper

Black chalk on off-white wove paper

Transparent and opaque watercolor, black ink and black colored pencil on cream antique laid paper

Blue and red-brown ink over white gouache on wood blocks pieced together

Watercolor and white gouache over graphite on off-white wove paper

Black chalk on tan wove paper

Graphite on off-white modern laid paper

Black ink and gray wash on off-white paper

Transparent watercolor and graphite on cream antique laid paper, framing line in black ink, mounted to cream antique laid paper