Of many extant old annotations of The Tale of Genji and related materials which were collected to compile the collection of old annotations, the following materials, centering on the materials of the early time, which were considered the most important in the study of The Tale of Genji were severely selected.
古注集成の編纂のために収集した数多く存在する源氏物語の古注や関連資料の中から古い時期のもの中心に源氏物語の研究において最も重要と思われるものを厳選して下記の資料を収録している。