Columbia subject headings:
Contracts.
International law.
War.
World War, 1914-1918--Law and legislation--Great Britain.
Harvard subject headings:
Contracts--Great Britain.
Trading with the enemy--Great Britain.
War (International law)
World War, 1914-1918--Law and legislation--Great Britain
Princeton subject headings:
Contracts--Great Britain.
War (International law)
World War, 1914-1918--Law and legislation--Great Britain.