17th-18th century
Brown ink and brown wash over black chalk on white antique laid paper
17th centuryGermanBlack marker on paper
Colored marker on paper
20th centuryGermanBlack marker on paper
Graphite on paper
20th centuryAmericanWatercolor over graphite on off-white wove paper
20th centuryAmericanBlack, white and red chalk on blue antique laid paper
16th-17th centuryItalianGraphite on oiled buff laid paper
19th-20th centuryAmericanWatercolor over graphite on off-white wove paper
19th-20th centuryAmericanBlack ink and graphite on cream wove paper
20th centuryAmericanInk on paper
20th centuryGermanLeather bound sketchbook
20th centuryAmerican