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

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

Watercolor wash over pencil underdrawing on wove 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 and wash and red chalk over black chalk on laid paper

Pen and ink with gray wash over chalk 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 gray ink and grayish-brown wash over graphite 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, wash over chalk, on cream laid paper

Pen and ink and wash on laid paper, wirh partial watermark laid down on wove paper