Source Data Reference for:

City = Bergamo
Time = 1500

City Year Size Size Comment Year Comment Author Title Location
Bergamo1483 18,500"btw 15,000 and 22,000"Colin McEvedyThe New Penguin Atlas of Medieval History ISBN 0-14-051249-7
Bergamo1500 18,000Paul BairochLa population des villes europeennes de 800 a 1850