19th century
Black and brown ink on cream wove paper
18th-19th centurySwissWatercolor, black ink, and graphite on cream paper
19th centurySwissGraphite, white opaque watercolor, and oil [?] on brown paper
19th centurySwissCharcoal and colored chalk on brown paper
19th centurySwissGraphite on brown wove paper
19th centurySwissGraphite on off-white laid paper
19th centurySwissGraphite
19th centurySwissWatercolor and graphite on cream paper
19th centurySwissBlack ink and gray wash on off-white paper
18th-19th centurySwissGraphite on off-white wove paper
19th-20th centurySwissGraphite, black crayon, and white chalk on light brown paper
18th-19th centurySwiss