19th century
Graphite on paper
20th centuryAmericanBlack ink and gray wash
19th centuryGermanColored marker and opaque watercolor on paper
Black marker on paper
Black marker on paper
Sketchbook with cream paper-covered cardboard covers
19th-20th centuryAmericanWatercolor over graphite on off-white wove paper
19th-20th centuryAmericanRed chalk on cream antique laid paper
18th centuryFrenchBrown wash over graphite on off-white antique laid paper
18th centuryGermanInk
16th centuryGermanGraphite on off-white wove paper
19th-20th centuryAmericanBlack ink on cream wove paper
20th centuryGerman