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|Revised Romanization||Gim Eungseo|
|Revised Romanization||Gim Gyeongseo|
During this war, he was ordered to proceed north with his troops and fight the Jurchens instead of the Japanese. His army of 15,000 Koreans later joined the Chinese Commander Ma Gui and 24,000 Chinese soldiers in the Second Siege of Ulsan; the combined force failed to take the Japanese Castle.
- 민덕기 (December 2009). 임진왜란기 조선의 북방 여진족에 대한 위기의식과 대응책 - ‘南倭北虜’란 측면에서 [The Joseon dynasty’s crisis awareness about and countermeasures to the Jurchen tribes of the north during the Imjin War period (facing against both the Japanese to the south and the Jurchens to the north)]. 한일관계사연구 제 (in Korean and English). 발행기관 : 한일관계사학회. 34. Retrieved July 11, 2014.
- "Siege of Ulsan - Battles Fought between the Ming-Korea Alliance and Japanese Forces in the Ming Dyansty". cultural-china.com. Shanghai Xinhong Cultural Development Co.Ltd, one member of the Long River Foreign Exchange Foundation. 2007–2014. Archived from the original on May 30, 2014. Retrieved July 11, 2014.