LITURGICAL MANUSCRIPTS AND BOOKS, ROMAN CATHOLIC

LITURGICAL MANUSCRIPTS AND BOOKS, ROMAN CATHOLIC , date from the eleventh century, beginning with fragments of liturgical books containing Gregorian chant. These predate the crusade of Erik IX of Sweden to Finland in the middle of the twelfth century. The parchment pages were uniquely preserved. When Latin liturgical material was banned as heretical during the Reformation, these pages from the liturgical books were torn out and placed as reinforcements in the covers of tax and account books...