Yu Tingchunhe’s article “Chinese Character Phenomena and Number Prediction” page 128
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“Hexagram Divination of the Good and Bad of the Six Relatives” Manuscript of the Republic of China, page 27
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Guiguzi’s “Twenty-Eight Mansions Playing Birds and Counting Lost” 66-page photo edition
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Folk divination book “Duangong Niujiao Guashu” page 39
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Su Guosheng’s “Secret Guide to Obtaining Images from External Information”
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Wang Bingzhong’s “Basic Theory of Liuyao Prediction and Misunderstanding” 173 pages double-sided edition
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Wang Bingzhong’s “Six Yao Prediction – Advanced Application” 197 pages double-sided edition
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Gu Wenbing’s “New Theory of Yi Dao” page 234
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Fu Peirong’s “Introduction to the Book of Changes – Divination and Interpretation of Hexagrams” page 418
Fu Peirong's "Introduction to the Book of Changes - Divination and Interpreta...
Fu Peirong’s “Handbook of Interpretation of Gua”, page 64
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