He was educated at the Jesuit Colleges of Saint-Nicholas, Beauregard, Saint-Acheul, and Fribourg. In 1835 he was received into the Society of Jesus by the General, Father Roothaan, who sent him to Nivelles, in Belgium, for his novitiate. He taught three years in the College of Namur, and in 1840 began in Louvain his studies for the priesthood. At an early age his vocation as a bibliographer began to manifest itself. While yet a student he made a collection of Elzevirs and planned a work that would give the history of the early printing presses in Europe. In order to acquire the necessary information for this compilation, he visited from 1831 to 1834 the principal libraries of Belgium, and twice those of Paris, thus unwittingly preparing himself for his future labors. While at Louvain he came across the incomplete "Bibliotheca Scriptorum Societatis Jesu" published in 1676 by Father Nathaniel Southwell (Bacon), and he resolved to undertake the work that will ever remain the monument of his laborious life, "Le bibliothèque des écrivains de la compagnie de Jésus." This colossal work Father de Backer, with the assistance of his brother Aloysius, published in a series of seven quarto volumes in the years 1853-61, and followed this up in 1859-76 with a new edition in three large folios containing the names of 11,000 Jesuit authors. The changes and improvements of this edition are so marked as to make it practically a new work. Besides an introductory sketch of the author, there are recorded under each author the editions, translations, and critiques as well as the works which were published in refutation. Father de Backer died while engaged on a third volume of the new edition, but the work was completed by his brother. Another collaborator in the second edition was Charles Sommervogel, whose own magnificent "Bibliography of the Society of Jesus" in eleven folio volumes was made possible by the gigantic labors of the two de Backers.
Van Tricht, La Bibliotheque des escrivains de la c. de J. et le P. Augustin de backer (Louvain, 1876); Sommervogel, I; Hughes. Loyola and the Educational System of the Jesuits (New York, 1892).
APA citation. (1907). Augustin de Backer. In The Catholic Encyclopedia. New York: Robert Appleton Company. http://www.newadvent.org/cathen/02190c.htm
MLA citation. "Augustin de Backer." The Catholic Encyclopedia. Vol. 2. New York: Robert Appleton Company, 1907. <http://www.newadvent.org/cathen/02190c.htm>.
Ecclesiastical approbation. Nihil Obstat. 1907. Remy Lafort, S.T.D., Censor. Imprimatur. +John M. Farley, Archbishop of New York.
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