Image 1: Charles Berg, Weeping Magdalen, 1899, photogravure in red on chine collé mounted on cream wove paper.
Image 2: Charles H. Williamson, Portrait of a Boy, c. 1858, Daguerreotype with applied color.
Image 3: Sergei Prokudin-Gorsky, White fox. Stuffed animals from the collection of N. P. Alin in Cherdyn, 1910, digital colour composite.
Image 4: John H. White, The Fruit of Islam, Bodyguards for Elijah Muhammad, Chicago, 1974, color photographic slide.
Image 5: Rineke Dijkstra Self Portrait, 1991, chromogenic print.