https://zh.wikipedia.org/wiki/%E5%BE%90%E6%B8%AD
https://zh.wikisource.org/zh-hant/Author:%E5%BE%90%E6%B8%AD
https://www.zhihu.com/question/47192251
http://www.shicimingju.com/chaxun/zuozhe/676.html
https://ctext.org/searchbooks.pl?if=gb&author=%E5%BE%90%E6%B8%AD
http://www.9610.com/xuwei/1.htm