International law in general — Relation to municipal law — Interpretation of municipal law with regard to the general rules of international law — The law of the Federal Republic of Germany

The individual in international law — Nationality — Expatriation — Actions of Yugoslavian Government in respect of persons of German ethnic origin after Second World War — Whether amounting to deprivation of Yugoslavian citizenship — The law of the Federal Republic of Germany

War and neutrality — Warfare on land — Occupation of enemy territory — Legislative functions of the occupant — Grant of occupant's nationality to ethnic group in occupied territory — Validity — The law of the Federal Republic of Germany

The individual in international law — Nationality — Acquisition and loss of nationality — Limits of relevant national regulations — Relevance of the intentions of the individual — Abuse of rights — Persons of German ethnic origin in Yugoslavia collectively naturalized in 1941 — The law of the Federal Republic of Germany