A commonplace book compiled by Robert Vaughan, Hengwrt, which was later in the possession of Griffith Roberts, surgeon, Dolgelley. It contains poems by Taliesin and others, pedigrees, copies of charters, extracts from historical records and annals, a list of the bishops of Bangor (compiled between 1598 and 1616), lists of owners of Welsh manuscripts and books, recipes, archaeological notes, and miscellaneous memoranda.