Subjects
- Merchant mariners--History[remove]5
- Merchant marine--United States3
- Merchant marine--Officers2
- Merchant marine--Records and correspondence.2
- Merchant mariners--United States2
- Merchant mariners--United States--History.2
- Merchant mariners--United States--Periodicals.2
- World War, 1939-19452
- World War, 1939-1945--Naval operations2
- Merchant marine Safety regulations1
- Merchant marine--Officers--Training of1
- Merchant mariners1
- Naval convoys1
- Naval convoys -- Arctic Ocean -- History -- 20th century.1
- Prisoners of war1
- Prisoners of war--Germany--History--20th century1
- United States. Navy--History--20th century1
- World War, 1939-1945--Campaigns--Atlantic Ocean1
- World War, 1939-1945--Equipment and supplies1
- World War, 1939-1945--Logistics--United States1