Convention between Her Majesty and the King of the Belgiansfor the establishment of a system of Post Office money orders between Great Britain and Belgium, signed at London, May 31, 1869Rand McNally · First published 1869Open the Tome
Articles agreed upon between the Post Office of Great Britain and the Post Office of Belgium for carrying into execution the Convention of October 19, 1844, signed at Brussels the 6th, and at London the 27th November, 1844Belgium. Post Office. · First published 1845Open the Tome
