Untitled (No. 96 of 133 Studies for Heiner Friedrich, Munich)

Graphite on paper

Charcoal on blue laid paper

Black ink on off-white wove paper

Charcoal on off-white laid paper

Charcoal, gouache (or poster paint), and crayon on buff wove paper

Graphite on cream wove paper

Silverpoint on pink prepared paper

Graphite on paper

Charcoal on buff laid paper

Graphite on paper

Black ink and charcoal on cream laid paper

Graphite and gesso on paper