Source Data Reference for:

City = Utrecht
Time = 1400

City Year Size Size Comment Year Comment Author Title Location
Utrecht1400 9,000Paul BairochLa population des villes europeennes de 800 a 1850
Utrecht1400 9,000Jan Lahmeyerhttp://www.populstat.info/n/a
Utrecht1400 16,000Tertius ChandlerFour thousand years of urban growthp18