Source Data Reference for:

City = Rome
Time = 1200

City Year Size Size Comment Year Comment Author Title Location
Rome1200 35,000Paul BairochLa population des villes europeennes de 800 a 1850
Rome1200 35,000Tertius ChandlerFour thousand years of urban growthp16
Rome1200 35,000Tertius ChandlerFour thousand years of urban growthp538
Rome1212 18,500"btw 15,000 & 22,000"Colin McEvedyThe New Penguin Atlas of Medieval History ISBN 0-14-051249-7p75