Church of the Cistercian Abbey Altenberg, Odenthal

Brown ink and brown wash over touches of black chalk on light tan antique laid paper, framing line in brow nink; verso: black ink

Brown ink, with some scattered traces of reddish-brown chalk on cream antique laid paper, framing line in brown ink

Brown ink and brown wash over touches of black chalk on light tan antique laid paper, framing lines in black ink over brown ink, laid down on blue support

Brown ink, brown wash and white opaque watercolor on brown prepared paper, framing line in brown ink

Brown ink, brown and gray wash and white opaque watercolor on cream antique laid paper

Brown ink and gray wash over black chalk, incised, on cream antique laid paper, mounted on an album leaf; verso: outlines of recto are traced through in black chalk, incised

Black chalk, brown wash and white opaque watercolor on blue antique laid paper

Brown ink and gray, yellow and rose wash over black chalk, incised, on cream antique laid paper, framing line in brown ink, mounted on an album leaf; verso: outlines of recto are traced through in black chalk, incised

Brown ink and gray wash over black chalk on off-white antique laid paper, mounted overall

Brown ink and brown wash over touches of black chalk on antique laid paper, toned with red wash and white opaque watercolor

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

Brown-gray ink on cream antique laid paper; verso: black chalk lines rubbed with black chalk throughout