Qingyuan ge ming lie shi zhuanChina). Min zheng ju Qingyuan Xian (Guangdong Sheng · First published 1986Open the Tome
清远县电力工业志 (1916-1988年)Qingyuan Shi (China). Dian li gong ye ju. "Qingyuan dian li gong ye zhi" bian wei hui · First published 2013Open the Tome
清原公安志Qingyuan Manzu Zizhixian (China). Gong an ju · First published 1935 · Latest edition 2009Open the Tome