By making comparisons between stories he has recorded himself and those collected in the 1915 "Investigation Report on the Aboriginal Tribes," he has discovered that "the Tsao tribe's oral descriptions are still quite complete," he says. "With this opportunity for comparison, you can be certain of the accuracy of this oral literature."
他將採集所得，和一九一五年日人所著的「蕃族調查報告書」逐一對照後發現，「鄒族的口傳敘述還保存得很完整」，巴蘇亞說：「有此對照的機會，確立了這些口傳文學的正確性。」