明初书史上常常提到的『三宋』、『二沈』之一的宋克,常常被人们提及,但由于传世作品和生平文献资料少,宋克的专题研究鲜见深入者。上世纪八十年代,香港马国权先生曾在《书谱》杂志上发表过《宋克生平书艺略论》,开启了宋克书法专题研究的先河。但由于研究条件的限制,许多问题的讨论并未展开。天曙注意到宋克作为吴门重要书家在元末明初书坛的影响, Song Ke, one of the “Three Songs” and “Second Shen”, often mentioned in the history of the early Ming Dynasty, is often referred to by people. However, due to the paucity of literature on his works and his life, Song Ke’s monographs are scarcer. In the eighties of last century, Mr. Ma Guoquan of Hong Kong published the “Song Ke Sheng Ping Shu Yi” in “The Book Magazine”, which opened the precedent for Song Ke calligraphy research. However, due to the limitation of the research conditions, many issues have not been discussed. Tian Shu noticed the influence of Song Ke as an important scholar in Wu Yuan during the late Ming and early Ming Dynasty,