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In page Ding Ling:

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After that, Ding settled in Yan'an and wrote literary works. In 1938, Ding began studying at the Yan'an Marxism–Leninism Institute, which was a training center for cadre.[1]: 134  At the end of 1939, Ding worked in the Cultural Association of Shaanxi-Gansu-Ningxia Border Region.[citation needed]