Study of Three Archivolt Figures, Cathedral of León, Spain

Colored marker on paper

Watercolor over graphite on heavy off-white wove paper

Black chalk on cream wove paper

Colored marker and black pen on paper

Ink, colored crayon, gouache, and graphite traces on off-white laid paper

Black, gray, and brown ink, and brown wash over graphite on cream wove paper with black framing lines

Black crayon on paper

Black ink over charcoal underdrawing on off-white laid paper

Black ink and gray and brown wash with traces of black chalk on cream antique laid paper, framing lines in black chalk and graphite

One of Five Monochrome Sketches

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

Graphite on paper