Head of a Man (Study for "Tree of Life"?)

Graphite and watercolor on gray-blue laid paper

Charcoal on off-white laid paper

Tempera on acetate

Red and brown conté crayon on cream wove paper

Black ink, black and gray wash, over a cyanotype on white wove paper

Graphite on paper

Black chalk on off-white laid paper

Gouache on thin buff wove paper

Graphite on off-white wove paper

Watercolor on off-white wove paper

Graphite on off-white wove paper

Graphite with ink on paper