Details, Triangular Sections of Ceiling, Piccolimini Library, Duomo, Siena

Graphite on off-white wove paper

Pastel on brown wove paper

Watercolor and graphite on white wove paper

Charcoal, oil stick, acrylic, and Liquid Paper on white wove paper

Graphite on paper

Graphite on tracing paper

Graphite on off-white wove paper

Black ink on cream wove paper

ink on white wove paper

Acrylic, graphite, and computer print-out on off-white wove paper

Black ink and blue gouache on off-white illustration board with applied elements

Black ink and graphite on off-white wove paper; verso: black ink