Chokusen wakashū
     It has been suggested that Nijūichidaishū  be merged into this article. (Discuss)  Proposed since January 2018.     The chokusen wakashū  (勅撰和歌集), also shortened to chokusenshū  (勅撰集), were imperially-commissioned Japanese anthologies of waka  poetry. They numbered 21 in total (the so-called nijūichidaishū ).     Contents      1  Overview    2  Commissioners and compilers    3  References    4  Works cited       Overview   The term chokusen wakashū  (hereafter shortened to chokusenshū ) refers to anthologies of waka  poetry compiled and presented for inspection on the order of either a reigning emperor of Japan, or a retired or cloistered emperor. [1]  The first was the Kokin Wakashū  compiled at the beginning of the tenth century [1]  and the last was the Shinshoku Kokin Wakashū  compiled in the first half of the fifteenth century, [1]  with 21 in total. [1]  The first three chokusenshū  are referred to as the sandaishū , [1]  the first eight (through the Shin-Kokin Wakashū ) as ...