18th-19th century
Watercolor and brown ink over traces of graphite on white paper
19th centuryFrenchSpruce green crayon on paper
20th centuryGermanBlack marker and white opaque watercolor on paper
20th centuryGermanRed crayon on cream wove paper
19th centuryBritishWatercolor over graphite on off-white wove paper
19th-20th centuryAmericanBlack crayon on paper
20th centuryGermanGraphite on paper
20th centuryAmericanPaper
19th-20th centuryGermanGraphite with yellow and purple crayon on paper
20th centuryGerman?Black and gray inks, and gray wash on cream wove paper
19th centuryGermanGraphite on cream wove paper
20th centuryAmericanCharcoal and pastel on paper
20th centuryGerman