The oldest extant Chinese maps come from the Qin (state), dated back to the 4th century BC, during the Warring States Period.

Other extant maps considered to be based on Li's map are:

The extant map was modified, probably by Yan Jie, to catch up with contemporary Ming place names.

But if there was such a map and it showed part of the New World, why does no extant European map of the 15th century contain some trace of the knowledge?

Map collectors will find the ample listings of extant maps an invaluable resource.

Comparative studies of these extant maps are conducted to restore the content of Li's original world map.

While both names are currently used interchangeably, El Perú predominates on extant maps.

The earliest extant maps in Japan date to the 8th century, and depict the ownership of square rice field plots, oriented to the four cardinal directions.

The earliest extant maps found in archeological sites of China date to the 4th century BC and were made in the ancient State of Qin.

An extant map of Japan held by the Hōjō clan describes Amami as a "privately owned district."