Central Tower, Cathedral at Tarragona, Spain

Colored and metallic marker on paper

Gray wash and white gouache over graphite and charcoal on off-white wove paper

Black ink with gray wash on cream antique laid paper

Ink and opaque watercolor on paper

Graphite and white gouache on darkened off-white wove paper (recto and verso)

Brown and gray wash over graphite on toned cream antique laid paper, laid down on a tan card, framing lines in brown ink

Black brown and blue crayon ; black and blue crayon on paper

Black marker on paper

Black ink and gray wash over graphite on off-white wove paper

Red chalk on blue antique laid paper

Black and red inks on paper

Black crayon on paper