Nong ye ji xie xue gai lun/ Gong ye jiao yu gai lun/ Xing wei ke xue gai lun/ Gong gong guan xi xue gai lun/ Gong ye kuang wu gai lun/ Nong ye ji xie xue/. Xia. Zheng zhi jing ji xue gai lun/ Gong cheng ji xie fa zhan gai lun/ Jun shi wei she xue gai lun/ Dong tai jing ji xue chan lun/