Modern China: a guide to a century of change, Graham Hutchings, Harvard University Press, 2003, ISBN 978-0-674-01240-0, ... When it reappeared in 1958 it was shorn of its Mongol territories, which became part of Inner Mongolia, and was redesignated the Ningxia Hui Autonomous Region, one of several province-level units Beijing created to curb resistance to Chinese rule ...
