18th century
Black crayon on ivory laid paper
19th-20th centuryFrenchCharcoal on off-white laid paper
19th-20th centuryAmericanBlack and red chalk, with later additions of brown ink, red chalk, and gray wash, on off-white antique laid paper cut into an oval and mounted to off-white antique laid paper, framing lines and horixontal and vertical axes lines in graphite
17th centuryDutchColored marker on paper
Black and gray marker on paper
Black ink on off-white wove paper
20th centuryAmericanWatercolor and gouache over graphite on cream wove paper
19th centuryFrenchGraphite on blue wove paper
19th-20th centuryAmericanGraphite on paper
20th centuryGermanBlack and aqua marker on paper
20th centuryGermanGraphite on blue-flecked laid paper
19th centuryAmericanBlack ink and graphite on off-white wove paper
20th centuryAmerican