With the emergence over the past decade of new documentary evidence about the history of Sino-Soviet relations from Russian and Chinese archives, scholars are re-examining the diplomatic record to complete our understanding of the dynamics of a complex relationship. Dieter Heinzig makes an important contribution to this effort with his meticulous research on Sino-Soviet diplomatic encounters from 1945 to 1950. Heinzig’s work relies mostly on new studies by Chinese scholars who have had access..