Encyclicals (St. Pius X)

E Supremi – On The Restoration of All Things In Christ (St. Pius X – Oct. 4, 1903)

Ad Diem Illum Laetissimum – On The Immaculate Conception (St. Pius X – Feb. 2, 1904)

Iucunda Sane – Encyclical Letter of the Supreme Pontiff on Pope Gregory the Great (Pius X – Mar. 12, 1904)

Acerbo Nimis – On Teaching Christian Doctrine (St. Pius X – Apr. 15, 1905)

Il Fermo Proposito – Encyclical Letter of the Supreme Pontiff on Catholic Action in Italy (Pius X – June 11, 1905)

Vehementer Nos – Encyclical Letter of the Supreme Pontiff Reproving and Condemning the Law Voted in France for the Separation of Church and State (Pius X – Feb. 11, 1906)

Tribus Circiter – Encyclical Letter of the Supreme Pontiff Declaring the Mariavites or Mystic Priests of Poland Suppressed and Condemned (Pius X – April 5, 1906)

Pieni L’Animo – Encyclical Letter of the Supreme Pontiff On the Spirit of Insubordination and Independence Displayed Here and There Among the Clergy in Italy (Pius X – July 28, 1906)

Gravissimo Officii Munere – Encyclical Letter of the Supreme Pontiff Confirming the Decision of the French Assembly of Archbishops and Bishops Regarding the French Associations of Worship (Pius X – Aug, 10, 1906)

Une Fois Encore – Encyclical Letter of the Supreme Pontiff to the Church in France to Sustain Her in Her Trials and Comfort Her in Her Sorrow (Pius X – Jan. 6, 1907)

Paschendi Dominici Gregis – On The Doctrines of the Modernists (St. Pius X – Sept. 8, 1907)

Communium Rerum – On St. Anselm of Aosta (St. Pius X – Apr. 21, 1909)

Editae Saepae – Encyclical Letter of the Supreme Pontiff on St. Charles Borromeo Against the False Reformers (Pius X – May 26, 1910)

Notra Charge Apostolique (Pope St. Pius X – Aug. 25, 1910)

Iamdudum – Encyclical Letter of the Supreme Pontiff Denouncing, Condemning, and Rejecting the Law for the Separation of Church and State in the Portuguese Republic (Pius X – May 24, 1911)

Lacrimabili Statu – Encyclical Letter of the Supreme Pontiff Denouncing the Base Deeds Committed Against the Indians of South America (Pius X – June 7, 1912)

Singulari Quadam – On Labor Organizations (St. Pius X – Sept. 24, 1912)