Source Data Reference for:

City = Bologna
Time = 1300

City Year Size Size Comment Year Comment Author Title Location
Bologna1250 55,000Tertius ChandlerFour thousand years of urban growthp473
Bologna1300 40,000Paul BairochLa population des villes europeennes de 800 a 1850
Bologna1300 40,000Tertius ChandlerFour thousand years of urban growthp17
Bologna1300 40,000Tertius ChandlerFour thousand years of urban growthp474
Bologna1346 36,000"btw 23,000 and 49,000"Colin McEvedyThe New Penguin Atlas of Medieval History ISBN 0-14-051249-7