Source Data Reference for:

City = Montpellier
Time = 1800

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Montpellier	1800	33,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Montpellier	1800	31,000			Jan De Vries	European urbanization 1500-1800	p274
Montpellier	1800	31,000			Tertius Chandler	Four thousand years of urban growth	p487
Montpellier	1800	31,000			Tertius Chandler	Four thousand years of urban growth	p23
Montpellier	1815	33,700			Valentin Parisot	Dictionnaire geographique universelle