夏承燾（1900-1986）對姜夔的研究用功最深、成果最豐，無論是生平繫年、詞集箋校、詞譜考證、研究批評等面向，大抵全面掌握，所著《姜白石繫年》、《白石詞編年箋校》，更是學界研究姜夔最有力的依據。今觀《瞿髯論詞絕句》五首論姜夔的詩，可知夏承燾係從不同角度切入，由一介布衣的身分及流落江湖的生活環境，探析姜夔詞中富有深遠清苦、高雅清逸的生命情調；夏承燾亦能探源溯流，得出姜夔「出入江西與晚唐」之「清剛」詞風；並舉杜牧、陸游、辛棄疾等愛國文人，以及溫庭筠、韋莊、張先、柳永等詞人相較，得出姜夔係以瘦硬之筆抒寫柔情，有別於晚唐、北宋以來綺麗濃豔的填詞風尚。夏承燾此五首論詞絕句，實為姜夔勾勒出精闢而客觀的詞壇定位。

Xia Cheng-Tao (1900-1986), who put the greatest efforts on Jiang-Kui’s study and the results are also the most abundant, had the fully mastery of Jiang-Kui’s life line, poetry collection, poetry textual research, and research criticism. The works ＂Department of Jiang Bo-Shi’s year＂ and ＂Bo-Shi’s Ci of chronicle＂ are the most powerful basis for academic research to study Jiang-Kui, which brings the significant influence. From the five works discussed about Jiang-Kui within ＂Qu-Ran’s Quatrains about Ci＂, we will realize that Xia Cheng-Tao penetrated from different aspects, from conditions of wandering life in poverty, to discuss and analysis that Jiang-Kui’s Ci are full of the concept of living sentiment with far-reaching poor but pure leisure and elegant. Furthermore, Xia Cheng-Tao was able to trace to the source through the relationships between past and future, to generalize the Jiang-Kui’s ＂pure upright＂ style of Ci, which is different from Jiangxi and Late Tang schools; and compared to patriotic poets such as: Du-Mu, Lu-You, Xin Qi-ji, and other poets of Ci such as: Wen Ting-Yun, Wei-Zhuang, Zhang-Xian, Liu-Youg, to generalize Jiang-Kui’s tenderness of writing style by hardened works, which is unlike other style of Ci, full of gaudy richness and gorgeous since the time of Late Tang and Northern Song dynasty. Xia Cheng-Tao outlined the insightful and objective positioning of Jiang-Kui in Ci field by these five quatrains about Ci.