Source Data Reference for:

City = Istanbul
Time = 1200

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Constantinople	1150	200,000			Tertius Chandler	Four thousand years of urban growth	p471
Constantinople	1150	200,000			Tertius Chandler	Four thousand years of urban growth	p531
Constantinople	1150	200,000			Tertius Chandler	Four thousand years of urban growth	p533
Constantinople	1150	200,000			Tertius Chandler	Four thousand years of urban growth	p537
Constantinople	1153		becomes largest in the world overtaking Merv		Tertius Chandler	Four thousand years of urban growth	p527
Constantinople	1200	150,000			Tertius Chandler	Four thousand years of urban growth	p531
Constantinople	1200	150,000			Tertius Chandler	Four thousand years of urban growth	p16
Constantinople	1200	150,000			Tertius Chandler	Four thousand years of urban growth	p472
Constantinople	1200	150,000			Tertius Chandler	Four thousand years of urban growth	p528
Constantinople	1200	150,000			Tertius Chandler	Four thousand years of urban growth	p538
Constantinople	1200	150,000			Tertius Chandler	Four thousand years of urban growth	p532
Constantinople	1212	87,500	"btw 50,000 & 125,000"		Colin McEvedy	The New Penguin Atlas of Medieval History ISBN 0-14-051249-7	p75