The Psalter contains the ordinary parts of the Office that are sung through on a regular basis: the Psalms, distributed amongst the Hours of Matins, Lauds, Prime, Terce, Sext, None, Vespers and Compline for each day of the week; the ordinary Antiphons for the Psalms; the ordinary Hymns for each Hour; the Canticles; the Preces, &c.
Compline includes its Propers for the seasons and feasts of the year.
The Psalter also contains the Seven Penitential Psalms, the Litany, the Office of the Dead, and the Office of the Blessed Virgin Mary.
The Psalter also contains the Common of Saints, comprising the common elements used on the various saints’ days throughout the year.
The Psalter also contains several special Offices which are not part of the regular Kalendar: the Commemoration of Saint Thomas of Canterbury, the Translation and Commemoration of Saint Chad, the Feast of the Icon of the Lord, and the Presentation of the Blessed Virgin Mary.  In the Performing Edition these special Offices are placed within the Sanctorale.
The Psalter also contains the Office of the Blessing of Salt and Water and the Blessing of Bread.
Following a Table of Ranks of Feasts, the Psalter provides the Ordinary of the Mass and a collection of Votive Masses.  These are omitted in the Performing Edition.