DE LACOSTE, De Bouillane. Au Pays Sacré des Anciens Turcs et des Mongols, Paris, Émile-Paul, 1911, 8°, colour frontispiece, plates (light marginal browning), original cloth (lightly soiled) -- HOUDAS, O. Histoire du Sultan Djelal Ed-Din Mankobirti, Paris, Ernest Leroux, 1895, 8°, one plate (some spotting), original cloth (lightly soiled); and 2 others. (4)