| Direct historical materials include the commonly called 'List of Ministers of the Emperor Tobu' and three types of materials are known (the Hachisuka family materials, the materials of Yosai KIKUCHI, the materials of Kaoru GOKON). |
直接的な史料としては俗に「東武皇帝の閣僚名簿」などと通称されるものがあり、現在3種類が知られる（蜂須賀家資料・菊池容斎資料・郷右近馨氏資料）。 |