As the second stage of his work, Kikan IKEDA started compiling a collection of old annotations, but he gave up completing a full-scale collection because IKEDA, who was not necessarily in robust health by nature, got sick, and due to the chaotic period during and after the war.
池田亀鑑は第2段階の作業として古注集成の編集に入ったが、もともと頑健な体質であったとは言い難い池田が体を壊したことや戦中・戦後の混乱があったこともあって本格的な古注集成の完成は一旦断念した。