1972
47.9 x 60.5 cm (18 7/8 x 23 13/16 in.)
Dorothy and Herbert Vogel, gift; to Harvard Art Museum, 2008.
Graphite and printed black ink on cream colored paper (verso: mimeographed Biology 21 worksheet)
20th centuryAmericanGraphite on off-white wove paper
20th centuryAmericanGraphite on paper
20th centuryAmericanRed and white chalk on gray modern laid paper
20th centuryAmericanCrayon on paper
20th centuryAmericanBlack ink on off-white wove paper
20th centuryAmericanWatercolor over graphite on off-white illustration board
20th centuryAmericanWatercolor on off-white wove paper
19th-20th centuryAmericanRed, blue, and white colored pencil on tracing paper
20th centuryAmericanGraphite on off-white wove paper
20th centuryAmericanBlack ink and graphite on graph paper
20th centuryAmericanWatercolor over graphite on off-white wove paper
19th-20th centuryAmerican