Charles Le Beau
Histoire du Bas-Empire. T. 9

Friedrich Grimm
Memoires politiques et anecdotiques, inedits. T. 1

Friedrich Grimm
Memoires politiques et anecdotiques, inedits. T. 2

John Dundas Cochrane
Narrative of a pedestrian journey through Russia and Siberian Tartary, from the frontiers of China t