19th-20th century
Black ink and charcoal on cream laid paper, edges taped
20th centuryAmericanGraphite on paper
20th centuryGerman?Black ink and black crayon on buff paper
20th centuryFrenchGraphite and colored crayons on paper
20th centuryGermanPaper
Charcoal on blue laid paper
19th-20th centuryAmericanOpaque and transparent watercolor on off-white antique laid paper, framing line in gray ink
17th-18th centuryDutchGraphite on paper
20th centuryGerman?Black ink and graphite on off-white wove paper
19th centuryAmericanColored pencil, crayon, and graphite on cut brown paper bag
20th centuryAmericanwhite gouache, black and orange crayon, graphite, on white wove paper and glassine envelope
20th centuryGerman