While not official publishing houses, St Petroc Monastery, Christminster, and St. John Cassian Press have published copies of liturgies for use by Western Rite congregations. St. John Cassian Press distributes former St. Hilarion Press publications (see "Organizations" above) blessed for use, including "Orthodox Prayers of Old England" (omnibus service book), "The Holy Psalter" (core of the divine office), "Old Sarum Rite Missal", "The Companion" (epistle and gospel book), "Chant Ordinarium" (a kyriale), and "Westminster Benedictional" (a book of blessings), in all some 2,500 pages of approved texts, with chant. This body of work includes several apologetic works concerning Western rites and Orthodoxy in general.