Title: Ritus Orientalium Coptorum, Syrorum et Armenorum in administrandis sacramentis, ex Assemanis, Renaudotio, Trombellio aliisque fontibus authenticis collectos, prolegomenis notisque criticis et exegeticis instructos, concurrentibus nonnullis theologis ac linguarum Orientalium peritis
Subjects: Eastern churches, Eastern churches. Liturgy and ritual, Liturgies