DescriptionYukchin map.svg Map of the Yukchin ('six garrisons') established by King Sejong in northeastern Korea in the 15th century. Date 16 February...
(1987), Language Atlas of China, Longman, ISBN 978-962-359-085-3, Map C1. Korean and Yukchin in China: Chinese Academy of Social Sciences (2012), Zhōngguó...
Transport, p. 37 Yukchin in Korea: King, J. R. P. (1987), "An introduction to Soviet Korean", Language Research 23(2): 233–274, map on p. 237, reproduced...
