Kokin Wakashū
He was listed as one of the Late Classical Thirty-Six Poetic Geniuses. Thirty-three of his poems were included in court anthologies: fourteen the "Kokin Wakashū", eight in the "Gosen Wakashū", two in the "Shūi Wakashū", and nine more in later anthologies from the "Shin Kokin Wakashū" on.