Entrance to the Baumannshöhle in the Harz Mountains

Graphite on cream wove paper

Black crayon on paper

Brown ink, brown wash over black chalk, traces of red chalk, heightened with white gouache, on cream antique laid paper

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

Graphite on paper

Black ink on slide film, hand colored

Black and red chalk on buff-colored antique laid paper

Stamp ink on paper

Black ink, graphite, and yellow chalk on off-white wove paper

Pastel on brown pastel board

Graphite on paper

Prepared chalk on two pieces of tan wove paper