Source Data Reference for:

City = London
Time = 1500

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
London	1450	60,000			Tertius Chandler	Four thousand years of urban growth	p477
London	1483	36,000	"btw 23,000 & 49,000"		Colin McEvedy	The New Penguin Atlas of Medieval History ISBN 0-14-051249-7	p103
London	1500	50,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
London	1500	40,000			Jan De Vries	European urbanization 1500-1800	p270
London	1500	50,000			Tertius Chandler	Four thousand years of urban growth	p19
London	1500	50,000			Tertius Chandler	Four thousand years of urban growth	p539
London	1500	50,000			Tertius Chandler	Four thousand years of urban growth	p514
London	1500	50,000			Tertius Chandler	Four thousand years of urban growth	p478
London	1519	40,000	"under 40,000"		Victor Von Hagen	Gli Aztechi: civilta' e splendore	p138