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- World War, 1914-1918 — Naval operations -- Submarine -- Juvenile fiction
World War, 1914-1918 — Naval operations -- Submarine -- Juvenile fiction — Audiobooks
A Sub and a Submarine: The Story of H.M. Submarine R19 in the Great War
by Percy F. (Percy Francis) Westerman
A Sub. of the R.N.R.: A Story of the Great War
by Percy F. (Percy Francis) Westerman