19th-20th century
Black and red marker on paper
Blue crayon on paper
20th centuryGermanBlack ink on white wove paper
21st centuryAmericanGraphite on off-white wove paper
19th centuryAmericanBlue marker on paper
20th centuryGermanGraphite on off-white wove paper
19th centuryAmericanGraphite on paper
20th centuryAmericanOil on heavy cardboard
19th-20th centuryAmericanGraphite and green, yellow, and red wash on paper
19th centuryGermanGraphite on off-white wove paper
19th-20th centuryAmericanColored marker on paper
20th centuryGerman