Concept, History, Content, Moral & Ascetic Questions

The Divine Office

A study of the Roman Breviary By Rev. E.J. Quigley, 1920

How To Pray The Breviary (Instructional Manual For The 1960 Rubrics)

Learning The New Breviary

Bernard A. Hausmann, S.J., 1961

Introduction to the Divine Office (Divino Afflatu Rubrics)

A Brief Introduction to the Divine Office

Joseph J. Ayd, S.J., 1918

Source: Keller, Theo. "Gregorian Books: An Overview."

Reductions to Simpler Form 1955 (Cum Nostra Hac Aetate)

Rubrics 1960

De Anno et Eius Partibus (English translation from 1967 Dominican Breviary)

Rubricarum Instructum

General Rubrics

Rubrics of Breviarium Romanum

General Rubrics of the Roman Missal

Tables of Feasts

1960 Roman Calendar

Variationes in Breviario et Missali Romano

Variationes in Martyrologio Romano

+++++

26 September 1964 decree Inter Oecumenici

4 May 1967 decree Tres Abhinc Annos

Rubrics after the Council of Trent

Additiones ad normam Divino Afflatu (St. Pius X)