Translation is at the centre of Christianity, scripturally, as reflected in the biblical stories of the tower of Babel, or of the apostles' speaking in tongues after the Ascension, and historically, where arguments about it were dominant in Councils,...

The liturgical psalter is one of the most important medieval Christian books and the most frequently and richly illuminated of medieval liturgical manuscripts. In its simplest form the psalter included 150 psalms, preceded by a calendar and followed...