18th-19th century
Francis Calley Gray, bequest to nephew, 1856. William Gray, gift to Harvard University, 1857.
boxed portfolio of 12 duotone offset photolithographs, title page, and table of contents
20th centuryGermanEtching and drypoint on cream modern laid paper
19th centuryDutchPhotomechanical print in black
20th centuryAmerican