Which preposition to use with nankin

by Occurrences 1%

On the same day the above publication appeared there was given at Hongkong to the American Consul, Wildman, news of the "discovery of 20,000 rifles and 2,000,000 cartridges stored on lighters at Nankin by Filipinos and ready for shipment to the islands.

for Occurrences 1%

From this circumstance, and from the fame of Nankin for this manufacture, I strongly suspect that this passage has been foisted in by some ignorant or careless editor in a wrong place.

Which preposition to use with  nankin