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

Black chalk, pen and brown iron gall ink, brown wash with traces of black chalk

Gray washes over traces of black chalk and heightened with white chalk on laid paper

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

Pen and black ink, brush and gray wash and watercolor with traces of black chalk on laid paper with watermark

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, brush and brown wash, over red chalk, squared for transfer with red chalk on laid paper

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

Pen and brown ink and wash and red chalk over black chalk on laid paper

Collage of gray and white cut papers with pastel, pen and ink, and fiber-tipped pen over traces of graphite on gray wove paper

Pen and iron gall ink, and iron-based brown and red washes, heightened with lead 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