In Imperial China, these works were known as leishu, the largest of which was known as the Dadian of one (15[1])emperor. One of these works (15[1])was secretly mostly published in Neuchâtel, Switzerland to avoid censorship by Louis XV’s government. The most famous of these works in medieval Europe was completed by the seventh century bishop Isidore of Seville and titled Etymologiae. Pliny’s (*) Natural History is (10[1])probably the first (10[1])European example of these works. An eighteenth-century work of this kind was compiled by numerous philosophes and edited by Denis Diderot. Larry Sanger and Jimmy Wales founded the largest of these projects in 2001. For 10 points, online collaborative types of what reference works were made possible by the development of wiki software in the 1990s? ■END■