"operasangere biografier" . . "1900 - 1999" . . "1900-1999" . "Biographie" . . . "Singers of the century 3" . "Singers of the century. Volume 3" . "Singers of the century. Volume 3"@en . "Singers of the century. Vol. 3" . "Singers of the century. Vol. 3"@en . . . . . . . "History"@en . "History" . . . . . . "Singers of the century Vol. 3" . . "Singers of the century. volume 3" . . . . . . . . . "Biography"@en . "Biography" . . "Singers of the century / Vol. 3" . . . "Geschichte 1900-" . . "Sänger" . . . . "Sängerin" . . "Artistes lyriques Biographies." . .