Popes against modern errors : 16 papal documents (in Latin)

  1. On liberalism (Mirari Vos) by Pope Gregory XVI
  2. On current errors (Quanta Cura) by Pope Pius IX
    1. Cf., e.g., §3 of this encyclical to §2 of Vatican II's Dignitatis Humanæ.
    2. Vide also 6. below.
  4. Syllabus of errors by Pope Pius IX
    1. Cf. condemned propositions 15 and 77-79 to Vatican II's Dignitatis Humanæ.
    2. Vide also 6. below and
    3. Brian Mullady, O.P. (1994). "Religious Freedom: Homogeneous or Heterogeneous Development?". The Thomist 58: 93-108.
  6. On government authority (Diuturnum Illud) by Pope Leo XIII
  7. On Freemasonry and Naturalism (Humanum Genus) by Pope Leo XIII
    1. Pope Leo XIII highly recommended Msgr. George F. Dillon's book on this subject: Grand Orient Freemasonry Unmasked (a.k.a. War of Anti-Christ with the Church and Christian Civilization).
    2. Vide also The Permanent Instruction of the Alta Vendita by John Vennari.
  9. On the nature of true liberty (Libertas Praestantissimum) by Pope Leo XIII
    1. Vide also "Religious Liberty & Vatican II" by Michael Davies,
    2. John R. T. Lamont (2008). "Determining the Content and Degree of Authority of Church Teachings". The Thomist 72: 371-407., and
    3. Orestes Browson's "Catholicity Necessary to Sustain Popular Liberty."
  11. On the condition of the working classes (Rerum Novarum) by Pope Leo XIII
    1. Vide also the Distributist Review.
  13. On Christian democracy (Graves de Communi Re) by Pope Leo XIII
  14. Syllabus condemning the errors of the Modernists (Lamentabili Sane) by Pope St. Pius X
  15. On Modernism (Pascendi Dominici Gregis) by Pope St. Pius X
  16. Our Apostolic Mandate (On the "Sillon") by Pope St. Pius X
  17. The oath against Modernism by Pope St. Pius X
    1. Introduction to the Oath, Sacrorum antistitum (in Latin)
  19. On the Feast of Christ the King (Quas Primas) by Pope Pius XI
  20. On fostering true religious unity (Mortalium Animos) by Pope Pius XI
  21. On atheistic communism (Divini Redemptoris) by Pope Pius XI
  22. On certain false opinions which threaten to undermine the foundations of Catholic Doctrine (Humani Generis) by Pope Pius XII.
    1. Vide also "The structure of the encyclical 'Humani Generis'" by Reginald Garrigou-Lagrange, O.P.,
    2. Pope Leo XIII's encyclical Æterni Patris (in Latin here) on the restoration of Christian philosophy, and
    3. Greenstock, David L., T.O.P., "Thomism and the New Theology," The Thomist, 13 (1950) p. 567.
Open Letter to Confused Catholics by Abp. Lefebvre
Archbishop Lefebvre and the Vatican by Fr. Laisney

The Second Vatican Council (Vatican II)

Vatican II was not entirely infallible because it "ha evitato di pronunciare in modo straordinario dogmi dotati della nota di infallibilità [avoided pronouncing in an extraordinary way (new) dogmas endowed with the note of infallibility]" (Pope Paul VI audience, 12 January 1966) and "In view of conciliar practice and the pastoral purpose of the present Council, this sacred Synod defines matters of faith or morals as binding on the Church only when the Synod itself openly declares so," which it never did (Council's General Secretary, 16 November 1964).

For more information on the Novus Ordo Mass, read: Dr. James Lothian (2000 October). "Mass of Paul VI: The Record After Thirty Years". Homiletics & Pastoral Review (1): 26-31.

Msgr. Giussani's The Religious Sense

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