U-20

The free database contains 13 citations from 9 resources, including 8 books and 1 online resource.

The complete database contains 19 citations from 15 resources, including 11 books, 1 journal, and 3 online resources, with 2 illustrations.
U 20
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U 20 (Submarine)
U-20
U-20
U-20
U-20
U-20
U-20
U-20 (German submarine)
U-20 (German U-boat, World War II)
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U-20 (Germany, submarine, 1916)
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U-20 (Submarine)
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U-20 (World War I)
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U-20, attacks on merchant ships by
U-20, German submarine
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U-20, life aboard, 116-118
U-20, sinks Lusitania
U-20, war patrol
U.20


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