Blank; verso: Rhythmic Scheme of the Portinari Altarpiece, after Hugo van der Goes

Graphite on paper

Black ink and gray wash on off-white laid paper

Pastel on brown wove paper

Graphite on ivory wove paper

Graphite on off-white wove paper

Brown ink and white gouache on green tempera ground on card

Black ink on off-white wove paper

Gray wash on off-white wove paper

Graphite on off-white wove paper

Pastel on cardboard?

Charcoal on blue laid paper

Graphite on paper