Source Data Reference for:

City = Viterbo
Time = 1700

City Year Size Size Comment Year Comment Author Title Location
Viterbo1650 11,000Jan De VriesEuropean urbanization 1500-1800p276
Viterbo1700 12,000Jan De VriesEuropean urbanization 1500-1800p276
Viterbo1700 12,000Paul BairochLa population des villes europeennes de 800 a 1850