The Minor Arcana of the Tarot is the least explored cards in the deck (including the Court Cards). Even in scholarly works such as Robert Place's The Tarot: History, Symbolism, and Divination, the Minor Arcana (Ace through Ten) and Court Cards (Pages, Knights, Queens and Kings) are lucky to get a few sentences dedicated to them.
For instance, take this brief entry on the Nine of Pentacles:
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