. . . . "Menal Bridge, Anglesey (GB)" . . . . . . "1934"^^ . "Menal Bridge, Anglesey (GB)" . . . . . . "male" . . . "This worlde's joie [Enregistrement sonore] / William Mathias. His master's voice ASD3301. - . - Library of Congress authorities. - id.loc.gov/authorities. - 2011-09-08"@fr . . . . "William Mathias" . "0000000117545873" . . . . . . "1934-11-01" . "VIAF" . . . . . . . . . . "1989-06-01" . . . . . . . "1992"^^ . . "Compositeur et pianiste. - Pédagogue" . . . . . . . . . "William" . . . . "Whitland (GB)" . "11-01" . "2013-07-31" . "William Mathias (1934-1992)"@fr . . "Compositeur et pianiste. - Pédagogue"@fr . . . . . . . "Mathias" . . "13897215"^^ . . "Compositeur et pianiste. - Pédagogue" . "Whitland (GB)" . "2013-07-31"^^ . . . . . . "1992-07-29" . . "Baker. - . - Grove 6. - . - Dict. biogr. des musiciens / Theodore Baker, Nicolas Slonimsky, 1995. - . -"@fr . . . .