Source Data Reference for:

City = Aachen
Time = 1400

City Year Size Size Comment Year Comment Author Title Location
Aachen1400 10,000Paul BairochLa population des villes europeennes de 800 a 1850
Aachen1400 16,500"btw 17,000 and 16,000"Tertius ChandlerFour thousand years of urban growthp18