The textbooks they used were books classified as Shibu-gogyo, such as "Shinsen Onmyosho," "Kotei kingi kyo," "Gogyo Taigi," "Zhou Yi" (I Ching (Book of Changes)) and "Nangi."
教科書としては、子部五行類の『新撰陰陽書』・『黄帝金匱経』・『五行大義』・『周易』・『難儀』などが用いられた。