Book of Leinster
The Book of Leinster (Middle Irish: Lebor Laignech pronounced [ˈl̠ʲeβəɾ ˈl̪aɣʲnʲəx], LL) is a medieval Irish manuscript compiled c. 1160 and now kept in Trinity College Dublin. It was formerly known as the Lebor na Nuachongbála ("Book of Nuachongbáil"), a monastic site known today as Oughaval.