The book that you are holding written by Nguyen Thong in the year of 1876 - one of the most prestigious confucianists and high ranking mandarins of the Nguyen Dynasty. The book was translated by Do Mong Khuong, edited & annotated by Le Duy Chuong - the profound scholars and researchers of Vietnam ( North ) Institute for History in the year of 1968 of the last century for limited use. It gathered a lot of suggestions, proposals, discussions & critics ( in total of 167 articles ) of Nguyen Thong himself regarding some supplementaries and cuttings in Part One of the KHAM DINH VIET SU THONG GIAM CUONG MUC - The Corpus of an Official Historic Records of the Nguyen Dynasty ( 1802 - 1945 ). This is one of the books of most valuable materials for understanding the process and many other related aspects towards compilation of above-mentioned the Corpus. At the same time, it provided a readership and research circle with unknown historic details & zigzags and other useful knowledge. Contents: 1 - Foreword. 2 - The supplementaries and cuttings regarding history of the countries / kingdoms: An Nam, Lin Yi, Fu Nan, Chen La, Thailand and Nanzhao. Despite the book was translated from original in Chinese script more 40 years ago, the copy that you are holding is of the first edition