After years of careful research, and some door-to-door investigating, Hsu finally found an old gentleman in Chiayi who kept a family record and a tablet on which the ancestral names were inscribed.
他採用最吃力、也最實在的方法，挨家挨戶地訪問：「這附近有沒有姓許的人家？」如果有，他就趕緊前去，詢問對方的祖籍。