19th century

Crayon, opaque watercolor and graphite on white thick rough wove paper
20th centuryAmericanBrown ink over graphite on heavy off-white wove paper
19th centuryAmericanGraphite on paper
20th centuryAmerican
Graphite on paper
20th centuryGerman
Graphite on buff wove paper
20th centuryAmericanGraphite on white wove paper
19th centuryGerman
Graphite on off-white wove paper
20th centuryGermanGraphite on paper
20th centuryAmericanBlack and green marker on paper
20th centuryGermanRed chalk on tan antique laid paper, squared in red chalk; verso: black and red chalk
17th centuryItalianWatercolor over graphite on off-white wove paper
19th centuryAmerican