The historical documents that dealt directly with Tamagaki were limited to 'Tamakaki Letter' and 'Yusei Chushin jo' (a letter reporting about annual estate income from Yusei) within 'Toji Hyakugomonjo Document' (stored in Kyoto Prefectural Library and Archives).
たまがきに関する直接的な史料は「東寺百合文書」（京都府立総合資料館蔵）の中の「たまかき書状」と「祐清注進状」などに限られている。