Based on the author's thesis (doctoral)--Ochanomizu Joshi Daigaku, 2013, entitled: Shōsōin monjo o chūshin to shite Nihon kodai shiryō no keisei to fukugen no kenkyū
Other editions
Yagoshi, Yōko, 1980- Shōsōin monjo o chūshin to shite Nihon kodai shiryō no keisei to fukugen no kenkyū 2013