Title: The Cavern-mystery transmission
Subjects: Ordination (Liturgy), Ordination of women, Rituals, Taoism
People: Chin-hsien Princess, daughter of Tʻang Jui-tsung, Emperor of China (688-732), Yü-chen Princess, daughter of Tʻang Jui-tsung, Emperor of China (690-762 or 3)