David M. Robinson . Empire's Twilight: Northeast Asia under the Mongols . (Harvard‐Yenching Institute Monograph Series, number 68.) Cambridge, Mass. : Harvard University Asia Center . 2009 . Pp. viii, 439. $49.50.
David M. Robinson . Empire's Twilight: Northeast Asia under the Mongols . (Harvard‐Yenching Institute Monograph Series, number 68.) Cambridge, Mass. : Harvard University Asia Center . 2009 . Pp. viii, 439. $49.50.
