《后汉书·列传·王充王符仲长统列传》
后来度辽将军皇甫规解除官职回到安定，同乡人有用货财买到雁门太守的人，也离职回家，用名片去进见皇甫规。
后度辽将军皇甫规解官归安定，乡人有以贷得雁门太守者，亦去职还家，书刺谒规。
Later, General Defending Liaodong, Huangfu Gui, was dismissed from his post and returned to Anding. A fellow townsman who had used his wealth to buy the position of Prefect of Yanmen also left his post and returned home. He used a calling card to meet Huangfu Gui.