《资治通鉴·汉纪·汉纪四十六》
于是桓帝把皇甫规征召回京都洛阳，任命他为议郎，按照他的功勋，本来应该加封侯爵，可是中常侍徐璜、左却打算从中勒索财物，多次派遣宾客向皇甫规询问立功的情况，但皇甫规始终不肯出财物酬答。
帝乃征规还，拜议郎，论功当封；而中常侍徐璜、左悺欲从求货，数遣宾客就问功状，规终不答。
Emperor Huan summoned Huangfu Gui back to the capital Luoyang, and appointed him as a Yilang (a low-ranking official). In view of his military achievements, Huangfu Gui should have been awarded the title of marquis. However, Xu Huang, a senior eunuch, and Zuo Ju planned to blackmail him for money. They repeatedly sent their aides to Huangfu Gui to press for reward money, but Huangfu Gui refused to pay. 