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 Z01 Geographic Locations D005842 +
  Z01.586 Historical Geographic Locations D017516 +
    Z01.586.250 Czechoslovakia D003604 +
    Z01.586.300 European Union D005062 
    Z01.586.315 Germany D005858 +
    Z01.586.500 Middle East D008877 +
    Z01.586.650 New Guinea D009512 
    Z01.586.800 Russia (Pre-1917) D012425 
    Z01.586.950 USSR D014586 +
    Z01.586.980 Yugoslavia D015022 
    Z01.586.200 Commonwealth of Independent States D017517 +
    Z01.586.035 Ancient Lands D018436 +