19th century
Black and white chalk on brown wove paper; two sheets joined, adhered to card
19th centurySwissBlack ink and gray wash on off-white paper
18th-19th centurySwissBlack and white chalk, squared, on blue wove paper
19th centurySwissBlack chalk on blue wove paper, incised; verso: black and white chalk, squared
19th centurySwissWatercolor on paper
19th centurySwissGraphite
18th-19th centurySwissBlack ink and gray wash
18th-19th centurySwissBrown and black ink, brown wash over black chalk on off-white wove paper, laid down
18th-19th centurySwissGraphite on beige laid paper
19th centurySwissBrown ink and brown wash on cream wove paper
19th centurySwissWatercolor and graphite, squared in graphite, on cream wove paper
19th centurySwiss