The Chronicles and Memorials of Great Britain and Ireland during the Middle Ages (Latin: Rerum Britannicarum medii aevi scriptores), widely known as the Rolls Series, is a major collection of British and Irish historical materials and primary sources published as 99 works in 253 volumes between 1858 and 1911. Almost all the great medieval English chronicles were included: most existing editions, published by scholars of the 17th and 18th centuries, were considered to be unsatisfactory. The scope was also extended to include legendary, folklore and hagiographical materials, and archival records and legal tracts. The series was government-funded, and takes its unofficial name from the fact that its volumes were published "by the authority of Her Majesty's Treasury, under the direction of the