Landscape with Tree, Orizaba, Mexico

Black marker on paper

Blue marker and black pen on paper

Brown ink and brown wash over black chalk on cream antique laid paper; verso: red chalk

Graphite on paper

Black ink, red-brown watercolor, and graphite on cream wove paper

Black ink on cream laid paper

Black crayon, squared in black crayon, on off-white antique laid paper

Graphite on tan wove paper

Ink

Colored marker on paper

Colored crayons on paper

Leather bound sketchbook