Although a photocopied version of NTU's Li Dai Bao'an was published in the 1970s, many of the photocopies are unclear because they were taken from wrinkled originals. That is why Okinawan scholars still journey to Taiwan to check the original copy.
雖然台大的《歷》書在七○年代已有影印本出版公諸於世，但沖繩學者到台大，主要還是以《歷》原件手抄本作比對，「一方面原件的文字比較清晰，也避免影印時因摺紋未印出的失誤」，赤嶺守教授說。