Woman Embracing Two Children (Madonna with Christ and John?)

Oil paint on offset lithograph, 1989 edition of Flora de la Real Expedición Botánica del Nuevo Reino de Granada (1783-1810)

Graphite on cream paper

Black ink on illustration board

Black ink on cream wove paper

Graphite and white chalk on blue laid paper

Colored marker on paper

Graphite on off-white wove paper

Brown ink and brown wash over black chalk on cream antique laid paper

Ink on paper

Brown and black ink and brown and gray wash on cream antique laid paper

Crayon on graph paper

Brown ink and graphite on ivory laid paper