Officium Passionis Domini
S. Franciscus de Assisio (1215-1226) — Kajetan Esser, Opuscula sancti patris Francisci Assisiensis (Grottaferrata, 1978)
The Office of the Passion is a private devotional office composed by Saint Francis, whose heart is the meditation on the Lord's suffering.
Rather than write new prayers, Francis wove fifteen «psalms» using almost exclusively verses drawn from the Scriptures, placing them on the lips of Christ in his Passion. The office is arranged in five parts for the different liturgical seasons (the Sacred Triduum and ferial time, Eastertide, Sundays and feasts, Advent, and Christmas), each of which distributes the psalms across the canonical hours.

