Denis Sinor was a faculty member of Indiana University in the Uralic and Altaic Program (now the Department of Central Eurasian Studies) from 1962 to 2011. Sinor founded the Department of Uralic and Altaic Studies in 1965 and the Asian Studies Research Institute for Inner Asian Studies (now the Sinor Research Institute for Inner Asian Studies [RIFIAS]), both of which he served as director for until his retirement from IU in 1986. He was active in many organizations during his tenure at Indiana University, most significantly the Journal of Asian History (JAH), Permanent International Altaistic Conference (PIAC), United Nations Educational, Scientific and Cultural Organization (UNESCO), and National Defense Education Act (NDEA). This collection consists of Sinor's correspondence with various organizations, IU, and personal contacts.