The source is from “The Tarot of the Bohemians” a treatise on the Tarot, exploring its origins and symbolism. The author, Papus, utilizes Kabbalistic principles and the Hebrew alphabet to interpret the meaning of the cards. He connects each card to a specific letter and its associated hieroglyphic sign, analyzing the symbolism across various levels of meaning. Papus delves into the historical and cultural context of the Tarot, highlighting its use in divination and initiation.