There is no written record by Kannami; however, Zeami succeeded as the head of the Kanze-za company and put into writing for future generations all he learned from his father.
観阿弥自身が書いたものは見つかっていないが、世阿弥が観世座をうけつぎ、後世に伝えるために、観阿弥からの聞き書きを伝書として文字化しており、