Two Studies for the Angel Gabriel in "Annunciation," Boston Public Library; verso: Studies for "Crucifix," Boston Public Library

Blue ink over graphite on white modern laid paper

Graphite, watercolor and gouache on off-white wove paper

Graphite on off-white wove paper

Graphite on paper

Ink and graphite on paper

Black crayon on paper

Black ink, red and blue crayon, and graphite on cream wove paper; verso: brown wash and graphite

Watercolor on cream wove paper

Transparent and opaque watercolor on white wove paper

Watercolor on cream wove paper

Black ink and gray wash on beige wove paper

Graphite on smooth off-white card