Ping fs82 Yang's Theory of Poverty Alleviation.
Ping fs84 "seventy-two bureau notes" Yang helps the poor.
Ping fs278 "secret records of ternary burial" (up and down) Yang's original work of poverty alleviation
Ping fs395 "ternary secretary" saved yang from defeat and saved the poor
Ping fs470 "general situation of gold distribution in the compass of twenty-four mountains and sixty immortals" (up and down) Yang helps the poor.
Fs58 "Twenty-four Mountains and Sixty Children Day Class" helps the poor.
Ping 142 Three-in-One Book Yang helps the poor.
GJ 12 "With Funeral Map" Yang helps the poor.
GJ2 1 Yang's "Soudiling" for Poverty Alleviation