"Martyn J." . "VIAF" . . . . "2013-08-02" . . . . . "2004-01-16" . . . . . "male" . . . "0000000037535405" . "Martyn J. Powell"@fr . . . . "14518938"^^ . . . . "Powell" . "Martyn J. Powell" . . "2013-08-01"^^ . . "Britain and Ireland in the eighteenth-century crisis of Empire / Martyn J. Powell, 2003. - . - LC Authorities. - http://authorities.loc.gov. - 2011-09-20"@fr . "1972"^^ .