Source Data Reference for:

City = Liege
Time = 1400

City Year Size Size Comment Year Comment Author Title Location
Liege1400 30,000Paul BairochLa population des villes europeennes de 800 a 1850
Liege1400 20,000Jan Lahmeyerhttp://www.populstat.info/n/a
Liege1400 23,000Tertius ChandlerFour thousand years of urban growthp18