"song" Chronological Corrections

All the essays of Liu Song Dynasty were compiled to be All Song Articles, by Yan Kejun, a scholar who lived in the Qianlong-Jiaqing period. And the All Song Articles was the necessary document for the literary research to Liu Song Dynasty both the past years and today. Although Yan and the other scholars on the moment have had achieved certain results,they have no systemic and complete works on this field. So a further and detailed literary research is necessary. There fore a textual research to the 1615 essays embodied in the All Song Articles has been made. And during the research, the author has referred to encyclopedia documents and contrasted different authorities and then made the conclusion with discretion. At the mean time this article also points out the careless omissions and errors of Yan'and other scholars'composition .As a systemic Time Line Research to the essays of a whole Dynasty,this article may have some help and benefit to a further comprehension or academic research on the literature,history and politics to the Liu Song Dynasty.