Berno of Reichenau († 1045).—De Officio Missæ, and two small tracts on Advent and the Embertides. Migne, Patr. Lat., cxlii.
Lanfranc († 1089).—Decreta pro Ord. S. Benedicti. Migne, Patr. Lat., cl.
Bernold of Constance († 1100). According to Bäumer, the author of the Micrologus. Migne, Patr. Lat., cli.
De Cærimoniis, Sacramentis, Officiis et Observantionibus Ecclesiæ libri tres, by Hugo (Canon of St Victor in Paris, † 1118), or by Robertus Pullus. Migne, Patr. Lat., clxxvii. 381.
Rupert of Deutz († 1135).—De Divinis Officiis. Migne, Patr. Lat., clxx.
Guigo I. de Castro (Prior of the Grande Chartreuse about 1137).—Consuetudines Carthusienses. Migne, Patr. Lat., clii. 631-759.
Honorius of Autun († circ. 1145).—Gemma Animæ. Migne, Patr. Lat., clxxii.
Johannes Beleth (Professor of Theology at Paris, † 1190).—Rationale Divinorum Officiorum. Migne, Patr. Lat., ccii.
Consuetudines Farfenses, ed. B. Albers. Stuttgart, 1900. Older editions in Migne, Patr. Lat., c. 4, and (Hergott) Vetus Disciplina Monast. Paris, 1776.