19th-20th century
Blue marker and black pen on paper
20th centuryGermanGraphite on off-white wove paper
20th centuryAmericanGraphite on off-white wove paper
19th-20th centuryAmericanTransparent watercolor, black ink and gray wash on off-white antique laid paper
17th centuryDutchGraphite, black chalk, brown wash, touches of red chalk on cream wove paper
19th-20th centuryBritishInk and opaque watercolor on paper
18th centuryIndianTransparent and opaque watercolor, graphite, and gum arabic addditions with scraping and scratching out on cream paper
19th centuryBritishWatercolor over graphite on off-white wove paper
20th centuryAmericanBlack crayon on paper
20th centuryGermanWatercolor and white gouache on heavy off-white wove paper
19th centuryAmericanGraphite and blue crayon ; blue crayon on paper
20th centuryGerman?B/w photocopy and adhesive on paper