J. Henry Middleton, Illuminated Manuscripts in Classical and Mediaeval Times… (1892)
“ All these Services but the last mentioned are contained in our "Prayer-book" with all their details, except the lessons at Mattins and Evensong, which are read from the Bible, and the Hymns and Anthems, which are, since the sixteenth century, at the discretion of the authorities. This concentration or compression of the Services into one book is the natural result of time, and the further we go back the more numerous are the books which our old inventories show. ”
