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

Crayon on paper

Charcoal on cream laid paper

Black ink, watercolor, and charcoal on cream wove paper

Graphite on off-white wove paper

Graphite on paper

Graphite on tan wove paper

Black ink, gray wash and red watercolor wash on thin cream wove paper

Graphite on off-white wove paper

Black ink and black crayon over graphite on off-white laid paper

Graphite on off-white wove paper

Colored crayons on paper and mounted

Graphite and colored pencil on paper