宋史 外國傳 譯註 3. - Seoul : Northeast Asian History Foundation, 2013. - v. : maps ; 26 cm. - Northeast edition historical data 33 . Index: pp. 341-347 Vol. 3 (2013; 347 p.: maps) ISBN: 978-89-6187-316-1 (vol. 3) 978-89-6187-106-8 Subjects--Topical Terms: Chinese history