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The Canadian Postal Code Directory = R]pertoire Des Codes Postaux Canadiens.Canada Post Corporation2006EN
Universal Postal Convention (Convention Postale Universelle) London, 28th June, 1929.Universal Postal Union.1930EN
Cheap Postage. Remarks and Statistics on the Subject of Cheap Postage and Postal Reform in Great Britain and the United StatesJoshua Leavitt1848EN
La Cassa Postale di Risparmio Italiana; Studio Comparativo Colle Casse Postali Estere.Alberto. Gaviani1902IT
Le Service postal dans le monde / Union postale universelle = The Postal service in the world / Universal Postal Union.Universal Postal Union.1982FR