《明史·列传·卷一百一十五》
恰好河南巡抚褚钅夫也奏明此事，皇上于是命令万象春出使河南、山西、陕西，遍访各王府，计划周全以后奏上。
会河南巡抚褚鈇亦奏其事，帝即命象春遍诣河南、山西、陕西诸王府，计画以闻。
It just so happened that Chu Zanfu, the governor of Henan, also submitted a memorial on this matter, so the Emperor ordered Wan Xiangchun to go on a mission to Henan, Shanxi, and Shaanxi to visit all the vassal palaces and submit a plan after careful planning.