Columbia subject headings:
Korean War, 1950-1953--Naval operations--Submarine.
Korean War, 1950-1953--Personal narratives, American.
Schratz, Paul R., 1915-1993.
United States. Navy--Biography.
World War, 1939-1945--Naval operations--Submarine.
World War, 1939-1945--Personal narratives, American.
Harvard subject headings:
Korean War, 1950-1953--Naval operations--Submarine.
Korean War, 1950-1953--Personal narratives, American
Schratz, Paul R., 1915-
Schratz, Paul R., 1915-1993.
Submarine captains--United States--Biography.
United States. Navy--Biography.
United States. Navy--Officers--Biography.
World War, 1939-1945--Naval operations--Submarine.
World War, 1939-1945--Personal narratives, American.
Princeton subject headings:
Korean War, 1950-1953--Naval operations--Submarine.
Korean War, 1950-1953--Personal narratives, American.
Schratz, Paul R., 1915-
United States. Navy--Biography.
World War, 1939-1945--Naval operations--Submarine.
World War, 1939-1945--Personal narratives, American.