The structural principles of the Chinese language : an introduction to the spoken language (Northern Pekingese dialect) /

by Mullie, Jos
Peiping : Bureau of Engraving and Printing, 1932

China regional maps. area maps, Beijing municipality 1:500,000 : city plans, central Beijing 1:15,000, Beijing 1:60,000.

Singapore : Periplus Editions, 2005
2004/2005 ed.