Michitoshi had asked his seniors in the poetry circles to help him, so the draft was checked in advance by SUO no Naishi, the mother of Prince Yasusuke, and MINAMOTO no Tsunenobu.
通俊は歌壇の先輩たちに協力を求め、草稿本は周防内侍・康資王母・源経信らの内覧を経た。