Source Data Reference for:

City = Aachen
Time = 1800

City Year Size Size Comment Year Comment Author Title Location
Aachen1800 23,000Tertius ChandlerFour thousand years of urban growthp25
Aachen1800 23,000Tertius ChandlerFour thousand years of urban growthp488
Aachen1800 24,000Jan De VriesEuropean urbanization 1500-1800p272
Aachen1800 24,000Paul BairochLa population des villes europeennes de 800 a 1850