65. William Blake, “Nurses Song” (Experience). Relief etching, 11.1 x 6.9 cm., etched 1794, color printed and finished in watercolors and pen and ink 1794. Songs of Innocence and of Experience copy E, 1789/1794, with additional washes c. 1806. Huntington Library. Detail of top left corner, showing flecks of yellow ochre ink on top of green color, proving that the yellow ochre was printed second.