Fr. Gregory Hesse, S.T.D., J.C.D. (Doctor of Thomistic Theology, Canon Lawyer and former secretary to Cardinal Stickler) compares the Mass of 1962 to the Mass codified by Pope St. Pius V in 1570. He also goes into the restoration of the mass by Pope St. Pius X as well as the questionable changes made by Pius XII. This is a must for those interested in the history of the Sacred Liturgy.
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