Source Data Reference for:

City = Baghdad
Time = 1200

City Year Size Size Comment Year Comment Author Title Location
Baghdad1150 100,000Tertius ChandlerFour thousand years of urban growthp471
Baghdad1200 100,000Tertius ChandlerFour thousand years of urban growthp472
Baghdad1200 1,000,000George ModelskiWorld Cities -3000 to 2000p63
Baghdad1200 100,000Tertius ChandlerFour thousand years of urban growthp72
Baghdad1212 87,500"btw 50,000 and 125,000"Colin McEvedyThe New Penguin Atlas of Medieval History ISBN 0-14-051249-7