Subject
- Mountains1
- Napoleonic Wars, 1800-18151
- Nazis1
- Northern War, 1700-17211
- Occupied territories1
- Paper industry1
- Pneumatic-tube transportation1
- Politics and government1
- Postal zones1
- Prisoners of war1
- Pulp mills1
- Railroad stations1
- Rivers1
- Shipyards1
- Steel industry and trade1
- Subways1
- Surveys1
- Synagogues1
- Telecommunication1
- Telegraph lines1
