Ships on the River IJ near Amsterdam

Opaque and transparent watercolor on parchment adhered to panel; thick framing line in brown watercolor

Brown oil-based ink monotype, extensively burnished, on cream antique laid paper

Brown ink, brown wash, black chalk and white opaque watercolor on Asian paper; later additions in gray wash and scratchwork, framing line in brown ink, mounted overall

Transparent and opaque watercolor with brown ink over black chalk on off-white antique laid paper

Graphite on parchment

Black ink and gray wash with black chalk and white opaque watercolor over black chalk and traces of graphite on off-white antique laid paper, framing line in brown ink

Black and white chalk on light tan antique laid paper, laid down

Transparent and opaque watercolor and brown ink over graphite, some glazing in green areas, on cream antique laid paper

Black chalk, with a partial framing line in black chalk, on cream antique laid paper

Brown ink and gray wash over graphite on cream antique laid paper, framing line in brown ink, laid down on antique laid paper

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