大家在查：经世致用明道白晋雷孝思蒋友仁郑和航海图耶律楚材喀斯特洞穴文化政治潘昂霄

太平寰宇记

太平寰宇记

'the earth... ... Taiping Geographical Record 太平寰宇记 There is no equal in the world 寰宇无双 ...

These were benefit of his work . Taiping huangyu ji, is a very important geographic works . It is not only rich but also concise .