紀貫之
The were the "Kokin Wakashū", the "Gosen Wakashū" and the "Shūi Wakashū". The "Kokinshū" was compiled by Ki no Tsurayuki, Ki no Tomonori, Ōshikōchi no Mitsune and Mibu no Tadamine on the orders of Emperor Daigo in 905. It collected roughly 1,100 "waka" that had not appeared in the "Man'yōshū" into 20 volumes, arranged by theme. The "Kokinshū" poems are generally considered to be reflective and idealistic.