Black chalk, pen and brown ink and watercolor, heightened with touches of white, grey and blue bodycolor and brown wash, on oatmeal paper

Black chalk, heightened with white chalk, white gouache, and gray wash on blue-gray laid paper

Brush and brown wash, probably bistre, pen and brown ink over red ink underdrawing heightened and corrected with white lead on paper

Pen and brown ink, brown wash heightened with white on laid paper

Pen and ink and brown wash over traces of chalk, heightened with white on laid paper

Pen and brown ink, brush and brown wash over black chalk, and heightened with white on laid paper

Pen and brown ink and brown wash with white pigment on laid paper, laid down on laid paper with blue (partially faded to green) laid paper border and ruled in black ink

Pen and brown ink with gray wash over pencil underdrawing on wove paper

Pen and ink, ink wash, blue ballpoint pen and color pencil on wove paper

Pen and ink, heightened with white on prepared paper

Pen and iron gall ink, and iron-based brown and red washes, heightened with lead white on laid paper

Black and red chalk, pen and brown ink with brown wash on laid paper