- Air and space law
- Antarctica
- Armed conflict and international humanitarian law
- Arms control and disarmament
- Coercive measures short of the use of force
- Diplomatic and consular protection
- Diplomatic and consular relations
- Human rights
- International Court of Justice
- International criminal law
- International economic law
- International environmental law
- International health law
- International law and German law
- International law in general
- International organizations
- International refugee law
- International terrorism
- International watercourses
- Jurisdiction of the State
- Law of the sea
- Law of treaties
- Nationality and statelessness
- Organs of the State and their status
- Peaceful settlement of disputes
- Political independence
- Position of the individual
- Protection of cultural property
- Sate responsibility
- Sources of international law
- State immunity
- State succession
- Statehood and recognition
- Territorial sovereignty
- United Nations
- Use of force
