The Huntington possesses one of the largest collections of British medieval manuscripts in the Western hemisphere. The majority of the Library's medieval holdings were produced in England or in Europe for the English market. They include nearly 500 bound volumes of literary, historical, and religious materials, which contain about 2,000 separate texts. There are 55 Middle English volumes (1250–1500) of prose and verse, most celebrated among these being the Ellesmere Chaucer, the Towneley Plays and Chester Plays, two autograph volumes of Thomas Hoccleve's poetry, and the Stafford Gower.
English law is a strength that carries into the early modern and modern British collections. The Huntington is one of the few libraries in the U.S. that actively collects English medieval legal texts. Most noteworthy among the holdings is a statute book that includes the only 13th-century copy outside the British Isles of the penultimate draft of the 1215 Magna Carta. The Library also holds thousands of individual medieval deeds, indentures, charters, and court rolls.
The Huntington has a fine collection of medieval English liturgical manuscripts: Bibles, missals, psalters, and breviaries, of which the most important is the eleventh-century Gundulf Bible. There are also twelve thirteenth-century French bibles and some 75 illuminated Books of Hours, including a prayer book illuminated by Simon Marmion and another from the Workshop of the Bedford Master.