Or you take Les heures gregoriennes - which are, AFAIK, not up to date with the current Ordo cantus officii, and don't contain the Office of Readings.
56. Libri cantus liturgici Ecclesiae Romanae hucusque typice editi sunt:
Graduale Romanum, cum Ordinario Missae.
Antiphonale Romanum pro Horis diurnis.
Officium Defunctorum, Maioris hebdomadae et Nativitatis D. N. Iesu Christi.
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