The contents of book of historical materials were mainly provided by the family of Mr. Chu Chia-hua, with some documents also selected from the “Chu Chia-hua archive” of Academia Sinica’s Institute of Modern History. It has six types of materials relating to the activities of the various Korean independence movement’s political parties in China, the problem of the Korean Recovery Army, financial assistance given to the independence movement by the Nationalist government, the concern for Korean and Koreans shown by the Nationalist government, the China-Korea Cultural Association and miscellaneous documents.