An Investigation on the Chinese Dialects in Northern Guangdong

In the past,the Chinese dialects in Northern Guangdong was almost untouched by Chinese dialectologists.There were almost no survey reports about these dialects until the 1980s,and since then some useful articles are now available.To research for the scattered records of these dialects in old documents and arrange them systematically also contribute a lot to this research.This may help us to understand more of these interesting dialects.