18th-19th century
Charcoal on paper
20th centuryGerman?Graphite and ink on paper
20th centuryAmericanGraphite on blue paper
20th centuryAmericanGraphite on paper
20th centuryAmericanGraphite, watercolor, and white gouache on tan wove paper, darkened
19th centuryFrenchWatercolor over graphite on white wove watercolor paper
20th centuryAmericanBlack ink on off-white wove paper
20th centuryAmericanGraphite on paper
20th centuryGermanRed marker on paper
20th centuryGermanGraphite on off-white wove paper
19th-20th centuryAmericanColored marker on paper
20th centuryGermanColored marker on paper
20th centuryGerman