Source Data Reference for:

City = Cremona
Time = 1300

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Cremona	1259	30,000			Tertius Chandler	Four thousand years of urban growth	p8
Cremona	1300	38,000			Tertius Chandler	Four thousand years of urban growth	p538
Cremona	1300	40,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Cremona	1300	38,000			Tertius Chandler	Four thousand years of urban growth	p17
Cremona	1346	36,000	"btw 23,000 & 49,000"		Colin McEvedy	The New Penguin Atlas of Medieval History ISBN 0-14-051249-7	p89