 A. xx, which are either Irish or have been composed under Irish influence, is still under discussion.The Turin Fragment and the Antiphonary of Bangor contain for the most part pieces that are either not found elsewhere or are only found in other Irish books.The Book of Cerne is very eclectic, and pieces therein can also be traced the Gelasian, Gregorian, Gallican, and Hispanic origins, and the Stowe Missal has pieces which are found not only in the Bobbio Missal, but also in the Gelasian, Gregorian, Gallican, Hispanic, and even Ambrosian books.