20th century
10.8 x 10.8 cm (4 1/4 x 4 1/4 in.)
Graphite on off-white tracing paper
20th centuryAmericanWatercolor over graphite on white wove paper
20th centuryAmericanBlack ink on off-white wove paper
20th centuryAmericanGraphite with blue and orange on paper
20th centuryAmericanCharcoal, oil stick, acrylic, and Liquid Paper on white wove paper
20th centuryAmericanGraphite on paper
20th centuryAmericanBlack ink, graphite, and glue on cream wove paper
20th centuryAmericanWatercolor over graphite on off-white illustration board
20th centuryAmericanGraphite on cream wove paper
20th centuryAmericanWatercolor on off-white wove paper
19th-20th centuryAmericanBlack ink on off-white wove paper
20th centuryAmericanPaper dots numbered in black ink and mounted on blue/white graph wove paper
20th centuryAmerican