Gallery
Agriculture, vegetation, topografical map of China 1979
Soil map of China 1976
Geological map of China 1989
Soil map of China 1990
Geographical distribution of Chinese dialects
Chinese Linguistic Groups 1990
China Ethnolinguistic Groups 1983
China Ethnolinguistic Groups 1971
China Ethnolinguistic Groups 1967
Mandarin and Southern Chinese Split
The Sinitic languages 2003
Linguistic and ethnic diversity in China
