"Labor leaders." . . "Communists." . . "Communists Korea Biography." . . "Socialists Korea Biography." . . "Labor leaders Korea Biography." . . "Nationalists." . . "Nationalists Korea Biography." . . . . "Korea." . . . . . . . "Yi Chu-ha" . . . "Nambuk i pongin han irŭm, Yi Chu-ha" . . . . "Biography" . "남북 이 봉인 한 이름, 이 주하" . . "이 주하" . . . "Socialists." . .