张炎,字叔夏,生于南宋末年,卒于元延祐七年(1320年),是宋元之际著名的词人、词学家,其著作有词集《山中白云词》、词学理论著作《词源》。今本《词源》分上下二卷,上卷研究乐律,下卷讨论词之作法,是中国古代最重要的词学理论著作之一。由于《词源》各本章节完阙不同、文字歧互甚多,要研究《词源》,首先必须对其文字、内容有所厘定。要弄清楚这些问题,必须对其版本源流予以梳理。前人对《词源》版本研究较少,笔者不揣鄙陋,愿抛砖引玉,对《词源》版本源流予以探讨。一、单卷本系统 Zhang Yan, born in the late Southern Song Dynasty, died in Yuan Dynasty for seven years (1320), is a famous poet and philologist on the occasion of the Song and Yuan Dynasties. His works include “Baiyun Ci in Mountains”, Ci theory Book “etymology.” Today’s “etymology” is divided into upper and lower volumes, the volume on the study of music law, discussing the practice of volume under the book, is one of the most important theory of Ci theory in ancient China. As the “etymology” in different chapters of different, the text is very different, to study “etymology”, we must first of its text, content to be determined. To figure out these issues, we must sort out the source of its version. The predecessors have less research on the etymology version, and the author does not pretend to be simple and humble. He is willing to discuss the origin of the etymology. A single volume of the system