|  |  | The Guinness guide to waterways of Western Europe | Bok | q656.65(4) M McKnight, Hugh /  - London, 1978. - 240 s. (Guinness books)
 | McKnight, Hugh | 1978 | 
				|  |  | The Shell book of Inland waterways | Bok | 656.65(41) M McKnight, Hugh /  - London : David & Charles, cop.1981. - 493 s. - Språk: Engelsk
 | McKnight, Hugh | cop.1981 |