又通过序文和历史事实的对比研究得出，《唐陆宣公集》虽然是年羹尧的家刻本，校订者和刻工都是南方人，但却刻竣于陕西。
It is further proved , by comparison between its preface and historical records , that though Tang Lu Xuan Gong Ji , whose proof-reader and carver is south people , belongs to Nian Gengyao s collection .
年羹尧