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original: "Sancai Tuhui" (三才圖會). Completed in 1607 and published in 1609 by the scholars Wang Qi and his son Wang Siyi, this massive work consists of 106 chapters. The title refers to the "Three Realms" or "Three Powers" (SancaiHeaven, Earth, and Humanity), representing a comprehensive attempt to categorize all known knowledge and phenomena in the universe.