L. Trénard, Pastoral visits in the Cambrai Diocese. Reports of pastoral visits stored in the departmental or municipal diocesan records are submitted to a thorough inventory leading to a coded repertory of the key-notions they contain. For the pre- and post-concordat periods, paper slips, some descriptive, others coded, are established and permit the exploitation of all information bearing on the conditions of the visits, the geographical and human milieu, the parish churches, the ecclesiastical personnel, the religious communities, the cult, teaching and relief, the parishioners, the dissenters, the non-catholics. Such an initiative is an incentive to original research and proves fruitful. The Cambrai diocese immediately followed all the prescriptions of the Council of Trent dealing with the frequency, the clauses and the content of the questionnaire. Thus, purity of the doctrine and of its teaching, regularity in the partaking of Sacraments, preservation of morals were the object of a special care. These visits sometimes raise difficulties : the right of visit is disputed to the bishop in the royal chapters, the Cambrai chapter tries to keep its privileges. The day following the visit, an order is issued to remedy the noted failures. Thus the questionnaire preparatory tothevisit, the reports of the visits and the orders add up to form a body of documents of the highest interest as regards history. The Cambrai region, owing to its international situation, often was the site of diplomatic meetings. After the "paix des Dames", it is the treaty of Câteau-Cambrésis which was diversely interpreted, but which corresponds to a stage in the relations between crowns and religions.