http://lccn.loc.gov/n88071401

http://en.wikipedia.org/wiki/William_Wentworth-FitzWilliam,_Vi scount_Milton

Wentworth Fitzwilliam, William

Milton,

Voyage de l'Atlantique au Pacifique, 1872---port. (Le Vte Milton)

WWW LC auth., 23-01-2014---(Milton, William Fitzwilliam, Viscount; 1839-1877)

WWW Wikipedia, 23-1-2014---(William Wentworth Fitzwilliam, Viscount Milton; 1839-1877; político y explorador británico)