Church of the Cistercian Abbey Altenberg, Odenthal

Brown ink with incidental red and black chalk on off white antique laid paper; verso: brown ink

Brown ink over graphite on light tan antique laid paper, framing line in brown ink

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

Brown ink and brown wash on wood

Transparent watercolor, brown ink, and pink and white opaque watercolor on gray prepared paper; verso: brown ink

Brown ink on cream antique laid paper

Black ink and gray wash over black chalk on off-white antique laid paper

Opaque watercolor and shell gold over traces of black chalk on paper mounted overall to wood panel; framing lines in shell gold and dark red opaque watercolor

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 brown wash on off-white antique laid paper, autograph framing lines in brown ink, mounted overall

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

Brown ink over black chalk on cream antique laid paper, framing line in brown ink; verso: brown ink