Catechisme du Concile de Trente. Traduction nouvelle par le chanoine D.G. Hallez. This book, "Catechisme du Concile de Trente Tome 1," by Desire Germain Hallez, is a replication of a book originally published before 1862. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible.