Aspects of the embassy to Siam, 1685 : the Chevalier de Chaumont and the Abbe de Choisy : being Alexandre de Chaumont, Relation of the embassy to Siam 1685, and, Francois-Timoleon de Choisy memoranda on religion and commerce in Siam and reflections on the embassy to Siam / edited and in part translated by Michael Smithies