Source Data Reference for:

City = Barcelona
Time = 1750

City Year Size Size Comment Year Comment Author Title Location
Barcelona1750 50,000Jan De VriesEuropean urbanization 1500-1800p277
Barcelona1750 50,000Paul BairochLa population des villes europeennes de 800 a 1850
Barcelona1750 55,000Tertius ChandlerFour thousand years of urban growthp22
Barcelona1750 55,000Tertius ChandlerFour thousand years of urban growthp517