And before Sogi was going down to Echigo in 1491, he left a message that said, 'I've asked Sanetaka to take care of one set of documents of the initiation of waka interpretation, and if I can't return to Kyoto, I will give them to Sanetaka.'
延徳3年にも宗祇の越後下向に際し「和歌の相伝の文書一式を封をして実隆に預け、自分が帰京できないようなら実隆に譲る」と言い置かれている。