The CMAA is pleased to make available the Ordo Cantus Officii – the complete schema for all the antiphons to be used in the revised Liturgy of the Hours, which was published in the Congregation’s journal, Notitiae, in May 1983. Volume 202. The introduction to this schema is in French.
Here is the complete document with introduction in PDF. (88pp., 4.2MB)
[UPDATE (2017): A second edition of Ordo Cantus Officii was published in 2015 (395 p.), with many changes to antiphon texts.]