Source Data Reference for:

City = Salerno
Time = 1800

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Salerno	1800	10,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Salerno	1800	23,000			Tertius Chandler	Four thousand years of urban growth	p488
Salerno	1800	23,000			Tertius Chandler	Four thousand years of urban growth	p25
Salerno	1820	11,000			Valentin Parisot	Dictionnaire geographique universelle