A Pontifical Institute in charge of the Jesuit Fathers, but under the direct and immediate jurisdiction of the Holy See, formally established by Pius X, May 7, 1909, through the publication of the Apostolic Constitution, "Vinea electa." The purpose of its institution was to found a post-graduate school for the training of teachers and writers who would be properly qualified to defend the truths of Sacred Scripture. The professors of the Institute are chosen from among the Jesuit Fathers, and are all specialists in their respective branches. The subjects taught embrace the special questions of biblical introduction, archeology, history, geography, philology, and interpretation. Applicants for admission to the Institute must be graduates of philosophy and theology as established for ecclesiastical seminaries or religious clergy, and, if they aspire to degrees in Sacred Scripture, they are further required to have previously taken a doctorate in Sacred Theology. A library, archaeological museum, and special publication complete the facilities of the school. By virtue of a Motu Proprio issued September 30, 1928, by His Holiness Pope Pius XI, the Biblical Institute was incorporated into the Gregorian University, though, nevertheless, it is to remain under the exclusive jurisdiction and obedience of the Roman pontiff.