The Commentary on the Constitution and on the Instruction on the sacred liturgy / by a committee of liturgical experts. Edited by A. Bugnini and C. Braga. Translated by Vincent P. Mallon.
On spine: The Commentary and the Instruction on the sacred liturgy.
Includes the English text of the Constitution on the sacred liturgy, a commentary on each section of it, and an English translation of the Instruction for the proper implementation of the Constitution on the sacred liturgy.