Source Data Reference for:

City = Ohrid
Time = 1000

City	Year	Size	Size Comment	Year Comment	Author	Title	Location
Ohrid	900	30,000			Paul Bairoch	La population des villes europeennes de 800 a 1850
Ochrida	1000	40,000			Tertius Chandler	Four thousand years of urban growth	p538
Ohrid	1000	40,000			Tertius Chandler	Four thousand years of urban growth	p15
Ohrid	1000	40,000			Tertius Chandler	Four thousand years of urban growth	p469
Ohrid	1000	40,000			Paul Bairoch	La population des villes europeennes de 800 a 1850