Encyclicals
Acerbo Nimis, Ad Diem Illum Laetissimum, Communium Rerum, E Supremi, Editae Saepe, Gravissimo Officii Munere, Iamdudum, Il Fermo Proposito, Iucunda Sane, Lacrimabili Statu
Anniversary Allocution (Excerpts)
On the fiftieth anniversary of the proclamation of the dogma of the Immaculate Conception. 12 December, 1904.
Haerent Animo
Apostolic Exhortation addressed to the Catholic clergy, on priestly sanctity. Issued 4 August, 1908.
Lamentabili Sane
Syllabus Condemning the Errors of the Modernists. Issued 3 July, 1907.
Praestantia Scripturae
Motu proprio on the decisions of the Pontifical Biblical Commission and on prescriptions against the errors of the modernists. Issued 18 November, 1907.
The Oath Against Modernism
Was to be sworn by all clergy, preachers, religious superiors, and seminary professors. Issued 1 September, 1910.