The True Spiritual Roots for All Chinese & China's Blood Covenant With Shang Di:
Davy Tong said there was 20 years of research behind just this material and the booklets and lecture [posted below] is a very, very, very simplified version of what Petzholt, Wong, etc had found. Enormous materials, entire fields must have been neglected for centuries.
"The True Spiritual Roots for All Chinese" (CH, simplified & trad.):
https://www.ocf.berkeley.edu/~davytong/publications/chinese_roots_CH.zip
"China's Blood Covenant With Shang Di" (CH):
https://www.ocf.berkeley.edu/~davytong/publications/chinas_blood_covenant_CH.zip
"The True Spiritual Roots for All Chinese" (EN):
https://www.ocf.berkeley.edu/~davytong/publications/chinese_roots_EN.zip
"China's Blood Covenant With Shang Di" (EN)
https://www.ocf.berkeley.edu/~davytong/publications/chinas_blood_covenant_EN.zip
