Gates of the Chapel of Santa Teresa, León Cathedral, Spain

Graphite on paper and mounted

Charcoal on paper

Collage: white masking tape, clear pressure-sensitive tape, and graphite on off-white wove paper

Charcoal, graphite and brown/black ink on white paper

B/w photocopy and adhesive on paper

Black chalk, charcoal, and brown and gray wash on cream antique laid paper, framing lines in brown and black ink

Graphite on buff wove paper; attached sheet: graphite on tracing paper

Graphite, white chalk, and colored pencil on blue laid paper

Graphite on paper

Red chalk on off-white antique laid paper; verso: red chalk

Brown ink and blue ball-point ink on thin ivory wove paper

Blue marker on paper