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

Black chalk and brush and ink with gray wash on laid paper

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

Book with pen and sepia ink, brush and sepia wash, black chalk and graphite on laid paper

Pen and brown ink, brush and brown wash over black chalk, and 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 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

Album leaf; pen, sepia ink, traces of color tinting, and gray wash on paper

Pen and ink, gray wash, stylus and compass marks, with traces of metalpoint on parchment attached to a later wooden spool

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

Black chalk, black and brown ink, iron gall ink, gray and brown wash with watercolor on wove paper

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