Man'yōshū the oldest anthology in Japanese, c.785, 20 manuscript scrolls, 4,516 poems (when the tanka envoys to the various chōka are numbered as separate poems), Ōtomo no Yakamochi was probably the last to edit the Man'yōshū. It is not organized in any particular way (most metadata is supplied by headnotes), and the poems are written in a Japanese version of the Chinese monosyllabic pronunciation for the Chinese characters.
Imperial waka anthologies ; anthologies as a national project. Each anthology reflected the taste of time and with loyal dignity became canons for contemporaries and those who followed. The earliest three anthologies are often called Sandaishū, Three Major Anthologies, and earliest eight Hachidaishū, Eight Major Anthologies. Twenty one Imperial anthologies were created: they are collectively known as the Nijūichidaishū.
Imperial anthologies - Advancing the Imperial waka anthologies, the earliest imperial anthologies gathered Kanshi, the Chinese poetry which Japanese learned from the Tang Dynasty. Three anthologies were edited in the early Heian period: