Source Data Reference for:

City = Cologne
Time = 1600

City Year Size Size Comment Year Comment Author Title Location
Cologne1550 35,000Jan De VriesEuropean urbanization 1500-1800p273
Cologne1600 37,000Tertius ChandlerFour thousand years of urban growthp20
Cologne1600 40,000Jan De VriesEuropean urbanization 1500-1800p273
Cologne1600 40,000Paul BairochLa population des villes europeennes de 800 a 1850