Nave and Choir of St. Odulphuskerk, Assendelft

Brown ink, brown and gray wash, and black chalk on parchment

Black chalk, brown wash, green and rose transparent watercolor, and opaque white watercolor (now darkened) on off-white antique laid paper; framing line in brown ink

Brown, gray and gray-blue wash over black chalk on off-white antique laid paper, framing line in black ink

Gray wash and black chalk with scratchwork and touches of graphite on cream antique laid paper, framing line in brown ink

Brown ink on cream antique laid paper, mounted to blue paper

Black chalk and gray-purple wash on off-white antique laid paper, mounted

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

Transparent watercolor, black ink and black chalk on cream antique laid paper, double framing line in brown ink and partial black chalk

Black ink, gray wash and white opaque watercolor on cream antique laid paper, prepared with light brown wash.

Brown ink, brown wash, black chalk and white opaque watercolor, partially incised, on light tan antique laid paper

Black, gray, brown, green, yellow, and violet transparent watercolor and yellow and white opaque watercolor on off-white antique laid paper, framing line in brown ink

Transparent and opaque watercolor over black chalk, some gum (?) varnish, on cream antique laid paper