Belgium and the Holy See from Gregory XVI to Pius IX (1831-1859) : catholic revival, society and politics in the 19th-century Europe / Vincent Viaene
. – Bruxelles ; Rome : Institut Historique Belge de Rome, 2001
. – 647 p. ; 24 cm
. – (Institut Historique Belge de Rome. Bibliothèque ; 50)
. –