Chen Jianli’s “Authentic Sanyuan Method Twenty-Four Mountains Zhibao Quanshu”

Xu Zhibao’s “Bagua Innovation Technique” page 287

Shushu ancient book “Ganzhou Ancestral Huang Miaoying Zhibao Twenty-Four Mountains and Water in All Directions”

Ganzhou Ancestral Huang Miaoying Zhibao Twenty-Four Mountains and Water.pdf