Group Portrait of the Regents of the Oude Zijds Huis-Zitten Huis

Brown ink and brown wash on cream antique laid paper, framing line in brown ink

Brown ink and brown wash on cream antique laid paper, laid down at corners to cream antique laid paper

Brown ink, brown wash and black chalk, with a framing line in brown ink, on off-white paper, laid down

Black chalk, brown and gray wash, green transparent watercolor, white opaque watercolor, and touches of gum arabic on off-white antique laid paper

Brown ink on beige antique laid paper

Brown ink and gray wash over black chalk; two overlapping rectangles in brown ink

Black chalk on cream antique laid paper, framing line in black ink

Graphite on parchment

Brown ink on white antique laid paper, prepared with red chalk wash, laid down on antique laid paper

Transparent and opaque watercolor on antique laid paper

Gray and brown wash on parchment

Opaque watercolor on off-white antique laid paper, mounted at four corners