|  |  | 12 Men at the Mercy of the Sea | Analytt | q386(05) C Barker, Ralph / I: The compass.  - No.3, 1998 - New York, 1998. - s.20-23
 | Barker, Ralph | 1998 | 
				|  |  | Blokadebryterne | Bok | 656.6"1939-45" B Barker, Ralph /  - Oslo, 1977. - 191 s. - Språk: Norsk (bokmål)
 | Barker, Ralph | 1977 |