The Marseilles Tarot occupies a foundational position in the depth-psychological literature on Tarot, functioning simultaneously as a historical artifact, an iconographic standard, and a privileged mirror for the unconscious. Across the corpus, authors treat it as the canonical reference deck against which all subsequent designs are measured and interpreted. Place establishes its documentary lineage — Jean Noblet, Jacques Vieville, Grimaud — and traces its iconographic evolution from fifteenth-century Italian woodcut prototypes, arguing that its trump sequence encodes a coherent Neoplatonic allegory of the soul’s three-part ascent. Nichols, writing from an explicitly Jungian vantage, confines her archetypal readings to the Marseilles deck precisely because its spare, pre-modern symbolism resists reductive translation and retains what she regards as numinous ambiguity. Hamaker-Zondag employs comparative analysis to demonstrate that the Marseilles imagery — particularly in cards such as the Fool, the Lovers, and Death — encodes a more unconscious, instinct-rooted dynamic than the rationalized Rider-Waite redesign. Jodorowsky treats the Marseilles deck as a living spiritual oracle requiring restoration to its authentic color-values, insisting that even minor iconographic deviations distort psychological meaning. The central tension in this literature is between historical-critical reconstruction of the deck’s Renaissance origins and its use as a projective-symbolic instrument in therapeutic and contemplative practice.