The set that had been kept in Kumemura was moved to the Okinawa prefectural library and later destroyed when fighting between Japanese and American troops left Okinawa in total ruin. The library was bombed, wiping out most historical records from the Ryukyu kingdom. With the loss of the Li Dai Bao'an from Kumemura, the copied set in Taiwan suddenly took on greater importance.
久米村的手抄本後藏於沖繩縣立圖書館，二次大戰期間，美日決戰於沖繩，衝繩被炸成一片焦土，沖繩縣立圖書館被炸，毀去所有古王國的史料文獻，沖繩僅存的久米村版《歷代寶案》大部分被毀，台大珍藏的手抄本，成了散失在海外的重要傳抄本。