《元史·列传·卷二十四》
廉访使董守中、佥事沙沙在南阳，右丞脱帖木儿、廉访使卜颜在虎牢，各整顿兵马，听候调用。
廉访使董守中、佥事沙沙在南阳，右丞脱帖木儿、廉访使卜颜在虎牢，分遣兵马以听其调用。
The Censorial Commissioner, Dong Shouzhong and Assistant Commissioner, Sha Sha were in Nanyang while Co-chief Minister, Tuotemuer and Censorial Commissioner, Buyang were in Huluguandai Pass. They were all organizing their troops and awaiting orders.