《明史·志·卷五十三》
曾经命令户部登记浙江等九个布政司、应天十八个府州富豪之民一万四千三百余户，依次召见，迁徙其家来充实京城，称为富户。
尝命户部籍浙江等九布政司、应天十八府州富民万四千三百馀户，以次召见，徙其家以实京师，谓之富户。
He once ordered the Ministry of Revenue to register more than 14,300 wealthy households among nine provincial administrative offices including Zhejiang and eighteen prefectures and departments under the direct administration of the capital Nanjing, and then summoned them to visit the emperor one by one, and relocated their family members to enrich the capital city, calling them “wealthy households”.