Source Data Reference for:

City = Trakai
Time = 1400

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Trakai	1350	40,000			Tertius Chandler	Four thousand years of urban growth	p475
Trakai	1400	50,000			Tertius Chandler	Four thousand years of urban growth	p513
Trakai	1400	50,000			Tertius Chandler	Four thousand years of urban growth	p476
Trakaj	1400	50,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Troki	1400	50,000			Tertius Chandler	Four thousand years of urban growth	p539
Trakai	1400	50,000			Tertius Chandler	Four thousand years of urban growth	p18