Ratchnevsky, Paul

Paul Ratchnevsky was Emeritus Professor of Sinology at Humboldt University in Berlin, and best known for his three-volume work "Un Code des Yuan."

Thomas Nivison Haining CMG served for over 30 years in the diplomatic service, including as Ambassador to Mongolia. He is currently an honorary Research Associate in History at the University of Aberdeen.

Author of the new introduction:
Morris Rossabi is Professor of History at the City University of New York and Adjunct Professor at Columbia University.