Subject
- Language and languages1
- Machine-tools1
- Machinery industry1
- Manufacture and trade1
- Military geography1
- Military occupation1
- Mines and mineral resources1
- Nazis1
- Paper industry1
- Postal service1
- Postal zones1
- Prisoners of war1
- Pulp mills1
- Rain forests1
- Shipyards1
- Slovenes1
- Snow removal1
- Spherical projection1
- Springs1
- Telephone1
