Two years of field research yielded no less than 20 sets of family records. The most important was the "Historical Records of the Chang Family of Chien-hu," discovered by Tsai Yuan-chieh, a lecturer in history at the National Taiwan Normal University. These records borrowed from the record series of the four sons of Chang Shih-hsiang: Fang-kao, Fang-shen, Fang-yuan, Fang-ta.
歷經過兩年的資料蒐集及田野調查，他們得到不下廿份的張氏家譜，其中最重要的是師大歷史系講師蔡淵洯在虎尾作田野工作所發現的「鑑湖張氏家乘」，在這份族譜上抄有張士箱四子方高、方深、方遠、方大四房的譜系。