Columbia subject headings:
Harvard subject headings:
Jewish sailors--Great Britain--History--20th century.
Merchant marine--Great Britain--History--20th century.
World War, 1939-1945--Naval operations, British.
World War, 1939-1945--Participation, Jewish.
Princeton subject headings:
Jewish sailors--Great Britain--History--20th century.
Merchant marine--Great Britain--History--20th century.
World War, 1939-1945--Participation, Jewish.