Source Data Reference for:

City = Veliko Tarnovo
Time = 1300

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Trnovo	1250	50,000			Tertius Chandler	Four thousand years of urban growth	p473
Veliko Tarnovo	1300	35,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Trnovo	1300	35,000			Tertius Chandler	Four thousand years of urban growth	p538
Trnovo	1300	35,000			Tertius Chandler	Four thousand years of urban growth	p17