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- Railroads19
- Roads9
- World War, 1939-19458
- Administrative and political divisions3
- Airways2
- Systems and standards2
- Time2
- World maps2
- Discovery and exploration1
- Distances, etc1
- Electric railroads1
- Korean War, 1950-19531
- Maps1
- Mines and mineral resources1
- Road maps1
- Steamboat lines1
- Streets1
- Transportation1
- Vietnam War, 1961-19751
