"George Ritchie" . "The art of fugue [Enregistrement sonore] / Johann Sebastian Bach, comp. ; George Ritchie, org. Fugue state films FSF-DVD-0001. - . - Library of Congress Authorities. - http://authorities.loc.gov/. - 2013-01-14"@fr . "George" . . . . "2013-08-08" . "Organiste"@fr . "Organiste" . . "Ritchie" . . . "2013-01-14" . "male" . . "George Ritchie"@fr . . . . "0000000084287360" . . "16654598"^^ . . "1942"^^ . . "Organiste" . . "VIAF" . "2013-08-08"^^ . .