unofficial history
4.In order to insure the content was detailed and true, this book adopted some ways of copying, clipping etc, and widely quoted many historical data, such as corpus, memoir ,biography, unofficial history, note and chorography and so on. so the book has extensive, valuable, objective historical data.
5.In this sense, the experience of seeking a worthy person in the story of Three Visits to the Hut in the ancient novel The Historical Novel of Three Kingdoms is quite similar to the emotional imbroglio in the book The Unofficial Life History of Li Shishi in terms of deep concept and story structure.
6.Davidson is sharply aware of his predecessors. To a Texas Ranger, an understanding of history is essential. It is an unofficial requirement for the job.
