- Early Medieval China Group
From the 3rd to the early 7th centuries. - Warring States Project
From the 5th through 3rd centuries, the turbulent era which ended in 221 B.C. with the military unification of the Chinese states. - The Society for the Study of Early China (SSEC)
From earliest times down to and including the period of the Han dynasty (A.D. 220). - Tang Studies Society
A non-profit organization in the state of Indiana committed to the research on Tang China. - Society for Ming Studies
- The Historical Society for Twentieth-Century China