Architect Presenting his Plans for the Tower of Babel

Black chalk on cream antique laid paper

Red ink and red wash

Gray wash, black ink, and touches of pink watercolor over graphite on cream wove paper

Watercolor over graphite on cream antique laid paper

Brown ink

Gouache on paper

Gray ink, gray wash, and white gouache (darkened) on cream laid paper

Transparent and opaque watercolor with black ink, gum additions and traces of graphite on off-white modern laid paper

Gray wash and brown ink on off-white antique laid paper, framing lines in brown ink; verso: brown ink

Watercolor over graphite on cream antique laid paper

Watercolor over graphite on cream antique laid paper

Pastel