Textual research on Historical Records was written by Sima Zhen in Tang Dynasty, and textual research is the significance of textual research.
Historical Records was written by Pei Zhi in Liu and Song Dynasties. Collected many famous people's comments on Historical Records, and Xu Guang Yue Ji is what Guangxu said in this collection.
Kuozhi is the annotation of three geography books, and many of them use words to annotate place names.