《宋书·志·卷十八》
晋朝《先蚕仪》记载，皇后所乘安车驾六匹马，用两辕安车驾五匹马作副车。
晋《先蚕仪》，皇后安车驾六，以两辕安车驾五为副。
According to the "Xian Can Yi" of the Jin Dynasty, the queen's carriage used six horses, and the two-wheeled carriage used five horses.