Study of Knee for Seated Angel at Right, "Israel and the Law," Boston Public Library

Graphite with brown crayon on paper

Graphite on cream wove paper

Black chalk on off-white wove paper, framing lines in black chalk and brown ink

Watercolor and black ink on illustration board

Graphite and black and white chalk on blue-gray wove paper

Watercolor over graphite on off-white card

Black crayon and black and white chalk on gray paper

Graphite and colored crayons on paper

Graphite, squared in graphite on cream antique laid paper, framing line in brown ink

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

Graphite and blue crayon on paper

Watercolor on off-white wove paper