18th century
Pfaff.
Brown ink on cream wove paper
19th centurySpanishGraphite on paper
20th centuryGermanGraphite on white wove paper
21st centuryGermanColored chalks
20th centuryAmericanGraphite on paper
20th centuryGermanGraphite on white paper
20th centuryRussianColored marker on paper
20th centuryGermanWatercolor and black ink on paper
20th centuryGermanMixed media on paper
20th centuryAmericanBlack ink, black and gray wash, over a cyanotype on white wove paper
20th centuryAmericanPastel and graphite on white wove paper
20th centuryAmericanColored marker, cardstock, and adhesive on paper