Columbia subject headings:
Citizenship--Great Britain.
Enemy property.
Impossibility of performance--Great Britain.
Noncitizens--Great Britain.
Trading with the enemy.
World War, 1914-1918--Law and legislation--Great Britain.
Harvard subject headings:
Citizenship--Great Britain
Contracts.
Noncitizens--Great Britain
Trading with the enemy
War
World War, 1914-1918--Law and legislation--Great Britain
Princeton subject headings:
Citizenship--Great Britain.
Contracts.
Noncitizens--Great Britain.
Trading with the enemy.
War.
World War, 1914-1918--Law and legislation--Great Britain.