Source Data Reference for:

City = London
Time = 200

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
London	100	30,000			Tertius Chandler	Four thousand years of urban growth	p463
London	100		peak	early 2nd c	Chris Scarre	The Penguin Historical Atlas of Ancient Rome	p57
London	100	30,000			Tertius Chandler	Four thousand years of urban growth	p101
London	110	13,500		beginning of 2nd c	Colin McEvedy	Cities of the Classical World	p187
London	200		sharp decline after peak		Chris Scarre	The Penguin Historical Atlas of Ancient Rome	p57