《旧唐书·列传·卷一百一十二》
贞元末，吴少诚叛乱，宣武军因曹华骁勇果断有智谋，任用他为襄城守将。
贞元末，吴少诚叛，本军以华骁果有智算，用为襄城戍将。
At the end of Zhenyuan, Wu Shaocheng rebelled, and because Cao Hua was brave, resolute, and resourceful, the Xuanwu Army appointed him as the commander of Xiangcheng.