Source Data Reference for:

City = Florence
Time = 1850

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Florence	1825	89,000			Tertius Chandler	Four thousand years of urban growth	p518
Florence	1839	100,000	passed for the 1st time		Tertius Chandler	Four thousand years of urban growth	p542
Florence	1850	94,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Florence	1850	107,000			Tertius Chandler	Four thousand years of urban growth	p24
Florence	1850	107,000			Tertius Chandler	Four thousand years of urban growth	p519
Florence	1861	114,400		1861/62	n/a	Gothaischer Hofkalender