18th century
Francis Calley Gray, bequest to nephew, 1856. William Gray, gift to Harvard University, 1857.
Etching on cream wove paper
19th centuryGermanPhotolithograph with transparent base ink on hand-flamed and sooted paper; image brushed with lithotine and lifted from soot, fused in a mild solution of shellac and denatured alcohol
21st centuryAmerican

