Decoration of the Central Bay of the Loggia, Villa Madama, Rome, after Raphael

Graphite on cream wove paper

Pastel on cardboard

Graphite on cream laid paper

Graphite on paper

Black ink and gray wash over graphite on off-white wove paper

Graphite on paper

Graphite on paper

Watercolor on off-white wove paper

Graphite on off-white wove paper

Graphite and conté crayon with erasure and stumping on cream wove paper

Charcoal, crayon and chalk on cream wove paper

Graphite on off-white wove paper