Title: Captain Gilbert Roberts R.N. and the anti-u-boat school
Subjects: Biography, Great Britain, Great Britain. Royal Navy. Western Approaches Tactical Unit, Naval operations, Sailors, Submarine, World War, 1939-1945, Great britain, royal navy, Great britain, biography, World war, 1914-1918, naval operations, submarine, Sailors, biography
Places: Great Britain
People: Gilbert Roberts (1900-)