Yang Yunsong From Wikipedia, the free encyclopedia Yang Yunsong (Chinese: 楊筠松, p Yáng Yúnsōng) was a Tang-era Taoist writer credited with the authorship of the Green Satchel Classic, a book dedicated to feng shui.[1] ↑ Aylward, Thomas. The Imperial Guide to Feng Shui & Chinese Astrology, p. 297. Sterling Pub. Co., 2007. Authority control databases SNAC This article about a Chinese writer or poet is a stub. You can help Wikipedia by expanding it.vte Related Articles