Twelve sections, nine books, and twelve sheets of the Chokusen wakashu (Imperial waka anthology), which includes transcriptions of Imperial waka anthologies all the way from the "Kokinshu" handed down in the Reizei family to the "Zoku gosen wakashu" (Later Imperial Waka Anthology, Continued).
勅撰和歌集　12帖、9冊、12紙－冷泉家に伝わる『古今和歌集』から『続後撰和歌集』までの勅撰和歌集の写本を一括指定したもの。