Afterwards, Zeami wrote his theories as private writings based on his devoted study on the Noh dramas such as "Kakyo (the Mirror of the Flower)", "Shugyoku Tokka (gathering gems and gaining flowers)" and "Sarugaku dangi (Talks about Sarugaku)".
その後世阿弥は、『花鏡』、『拾玉得花』、『申楽談儀』（口述）など研鑽に基づく理論を伝書として残している。