Source Data Reference for:

City = Castres
Time = 1850

City Year Size Size Comment Year Comment Author Title Location
Castres1850 21,000Paul BairochLa population des villes europeennes de 800 a 1850
Castres1850 20,000Tertius ChandlerFour thousand years of urban growthp26
Castres1866 21,400n/aGothaischer Hofkalender