@inbook{10.2307/j.ctt13x1dg2.3, URL = {http://www.jstor.org/stable/j.ctt13x1dg2.3}, bookauthor = {Paul Heng-chao Ch’en and Paul Heng-chao Ch’en}, booktitle = {Chinese Legal Tradition Under the Mongols: The Code of 1291 as Reconstructed}, pages = {vii--x}, publisher = {Princeton University Press}, title = {PREFACE}, year = {1979} }