Details from the Legend of the True Cross, after Piero della Francesca; verso: Sketch and color wheel with notes

Watercolor and white gouache over graphite on heavy off-white wove paper

Transparent and opaque watercolor on off-white wove paper

Oil and watercolor over graphite on off-white wove paper

Ink and collage on paper

Graphite on paper

Black ink and gray wash on tan wove paper

Black ink on lithographed lines on off-white wove paper

Charcoal on off-white laid paper

Watercolor on off-white wove paper

Black ink, gouache, graphite, and black crayon(?) on cream wove paper, framing line in purple ink

Black and colored crayon on paper

Black ink on off-white wove paper