19th-20th century
Crayon on paper
20th centuryAmericanBlack ink and graphite traces on cream wove paper
20th centuryGermanRed chalk on cream antique laid paper
18th centuryGermanColored marker and stamped ink on paper
20th centuryGermanGraphite on paper
20th centuryGermanBlack chalk, partially used wet, on brown compressed paper board
19th centuryDutchColored crayons on paper
20th centuryGermanCharcoal and yellow and white chalk on brown wove paper
20th centuryAmericanWatercolor over graphite on off-white wove paper
20th centuryAmericanGreen leather-covered sketchbook
18th centuryFrenchColored marker and blue ink on paper
20th centuryGermanBlack and yellow marker and blue and black pen on paper