20th century
16 x 10 cm (6 5/16 x 3 15/16 in.)
Watercolor on white wove paper
20th centuryAmericanBlack ink, graphite, and yellow chalk on off-white wove paper
20th centuryAmericanBlack ink on off-white wove paper
20th centuryAmericanCrayon on paper
20th centuryAmericanOil on thin off-white wove, mounted to another sheet of the same paper
20th centuryAmericanGraphite and printed black ink on cream colored paper (verso: mimeographed Biology 21 worksheet)
20th centuryAmericanBlack ink on gray-green laid paper
20th centuryAmericanWatercolor and white gouache on cream wove paper
19th-20th centuryAmericanBlack ink on off-white wove paper
20th centuryAmericanColored pencil and metalpoint with incised lines on white wove paper
20th centuryAmericanBound book with paper-covered cardboard covers
20th centuryAmericanBlack ink on tan wove paper
20th centuryAmerican