Cambridge, Corpus Christi College 391, a Worcester manuscript of the second half of the 11th century, is the earliest surviving example of a `primitive' breviary, that is, a book for the Office containing calendar, psalter, canticles, litany, hymnal, collectar (full lists of incipits of antiphons and hymns) and private prayers, the manuscript quite possibly belonged to Wulstan II, bishop of Worcester 1062-95. Vol. II includes the private prayers (some of which are in Old English), and contains a brief introduction and full indices.