Source Data Reference for:

City = Istanbul
Time = 1500

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Constantinople	1450	45,000			Tertius Chandler	Four thousand years of urban growth	p477
Istanbul	1483	87,500	"btw 50,000 & 125,000"		Colin McEvedy	The New Penguin Atlas of Medieval History ISBN 0-14-051249-7	p103
Constantinople	1500	200,000			Tertius Chandler	Four thousand years of urban growth	p19
Constantinople	1500	200,000			Tertius Chandler	Four thousand years of urban growth	p478
Constantinople	1500	200,000			Tertius Chandler	Four thousand years of urban growth	p514
Constantinople	1500	200,000			Tertius Chandler	Four thousand years of urban growth	p531
Constantinople	1500	200,000			Tertius Chandler	Four thousand years of urban growth	p529
Constantinople	1500	200,000			Tertius Chandler	Four thousand years of urban growth	p532
Constantinople	1500	200,000			Tertius Chandler	Four thousand years of urban growth	p539