Source Data Reference for:

City = La Rochelle
Time = 1800

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
La Rochelle	1800	19,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
La Rochelle	1800	18,000			Jan De Vries	European urbanization 1500-1800	p274
La Rochelle	1815	12,300			Valentin Parisot	Dictionnaire geographique universelle