Source Data Reference for:

City = Bologna
Time = 1800

City Year Size Size Comment Year Comment Author Title Location
Bologna1800 71,000Jan De VriesEuropean urbanization 1500-1800p276
Bologna1800 66,000Tertius ChandlerFour thousand years of urban growthp23
Bologna1800 66,000Tertius ChandlerFour thousand years of urban growthp486
Bologna1800 68,000Paul BairochLa population des villes europeennes de 800 a 1850
Bologna1820 70,000Valentin ParisotDictionnaire geographique universelle