忠經 The Zhongjing
Chinese Literature Zhongjing 忠經 "The Book of Loyalty"
http://www.chinaknowledge.de/Literature/Diverse/zhongjing.html
《漢魏叢書》本《忠經》
http://www.let.osaka-u.ac.jp/chutetsu/etext/zj/zj_u.htm
漢魏叢書第10冊‧忠經、方言
http://ctext.org/library.pl?if=en&res=78146