At the NCLTB and the HRCTP they were mainly interested in the records of the colonial government which administered Taiwan during the island's 50 years of Japanese rule. At the National Museum of His tory their main objective was the Da Xi Dang'an (Great Western Records), an important source of information on issues related to the "reversion" of Okinawa to Japanese sovereignty after World War Ⅱ.
到台灣分館、省文獻會，主要看日據時代總督府的檔案；國史館則是看與戰後沖繩歸屬問題息息相關的「大溪檔案」。