British Library Ciphers

British Library has at least three books/manuscripts that are written entirely in cipher. “The Subtlety of Witches,” authored by Ben Ezra Aseph, from 1657, “Order of the Altar, Ancient Mysteries to Which Females Were Alone Admissible: Being Part the First of the Secrets Preserved in the Association of Maiden Unity and Attachment,” from 1835 and “Mysteries of Vesta,” from 1850.