188bet free betting Duo (1913-1985)，Zi Lingqian，People from Xiangtan, Hunan。Graduated from the Department of Chinese Language and Literature, National Central University。Famous classical literature、Library research expert。After 1952, he served as associate professor of the Chinese Language Department of National Northwest Normal University、Professor，Deputy Head of Department、Director，Director of the Ancient Books Collation Research Institute and other positions。