Source Data Reference for:

City = Cremona
Time = 1400

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Cremona	1400	35,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Cremona	1400	35,000			Tertius Chandler	Four thousand years of urban growth	p539
Cremona	1400	35,000			Tertius Chandler	Four thousand years of urban growth	p18