Pringle, John Martin Douglas, 1912- China struggles for unity, by J. M. D. Pringle; with 25 maps by Marthe Rajchman. - Harmondsworth, Middlesex, Eng., Penguin Books 1939. - x, 182 p. maps. 18 cm. - A Penguin special, S7 . "First published 1939." LCCN: 39013713 Subjects--Geographic Terms: China--Politics and government--1912-1949. LC Class. No.: DS774 / .P7 1939