Source Data Reference for:

City = Bergamo
Time = 1800

City Year Size Size Comment Year Comment Author Title Location
Bergamo1800 24,000Jan De VriesEuropean urbanization 1500-1800p275
Bergamo1800 24,000Paul BairochLa population des villes europeennes de 800 a 1850
Bergamo1820 14,500Valentin ParisotDictionnaire geographique universelle