Pendentive, Central Bay of the Loggia, Villa Madama, Rome

Ink on paper

Graphite on buff wove paper

Black ink on slide film, hand colored

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

Graphite on thin off-white wove paper

Pen and black ink over graphite on off-white wove paper

Watercolor on off-white wove paper

Graphite on paper

Black ink on cream machine made wove paper

Colored pencil and metalpoint with incised lines on white wove paper

Black ink on off-white wove paper

Charcoal on blue-green wove paper