A breviary is a liturgical book used in Christianity for praying the canonical hours, usually recited at seven fixed prayer times.
Pages from a breviary used in the Swedish Diocese of Strängnäs in the 15th century.
The Shehimo Book of Common Prayer is the breviary used in the Malankara Orthodox Syrian Church.
A liturgical book, or service book, is a book published by the authority of a church body that contains the text and directions for the liturgy of its official religious services.
Manuscript of the Introit of the Mass (Florence, Italy).
Excerpt from the missal, a liturgical book, of the Sint-Pieters abbey (Ghent), manufactured in the 13th century. Manuscript preserved in the Ghent University Library.
Early 16th century choirbook with Josquin's Missa de Beata Virgine (Biblioteca Apostolica Vaticana, MS Cappella Sistina 45, folios 1v–2r.).
A decorative 14th century Missal of English origin, F. 1r. Sherbrooke Missal