Rokkashu (the six great collections of poetry) (六家集)

Rokkashu are the six great private collections of poetry in the age of Shinkokin (Wakashu) (New Collection of Ancient and Modern Japanese Poetry).

More specifically, they are "Choushu Eiso" by FUJIWARA no Toshinari, "Sankashu" by Saigyo, "Akishino gesseishu" by Yoshitsune KUJO, "Shuiguso" by FUJIWARA no Teika, "Minishu" by FUJIWARA no Ietaka (Junii (Junior Second Rank)), and "Shugyoku-shu" by Jien.