Comments Made by QU Qiu-bai on Guangzhou Uprising and Its Leader ZHANG Tai-lei;

Investigation of Plant Diseases and Insect Pests in Guangzhou Zoo;

The temporal-spatial evolution and heterogeneity of forest carbon in Guangzhou,China;

Remote sensing estimation of vegetation coverage in Guangzhou based on the correction of atmospheric radiation;

Preliminary Study on HO_x Photochemical Processes in Urban Atmosphere of Guangzhou City;

Food selenium content and resident daily selenium intake in Guangzhou City;

The water supply and consumption responding to meteorologic change in Guangzhou city;

The Rising and Development of the Cantonese Independent Baptist Church in the Early Pary of the 20~(th)Century;

Canton, Kiakhta and Fur Trade in the Qing Period;

To Deal with the Barbarian Affairs and to Do Business: Canton under Embargo on Fur Trade, 1791～92;