Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL
"Wagner, Richard and Tchaikovsky, Peter Ilich and Nicolai, Otto and Weber, Carl Maria von and Thomas, Ambroise and Gounod, Charles and Beethoven, Ludwig van and Strauss, Richard and Grieg, Edvard and Dvořák, Antonín and Charles, Thomas and Lehmann, Lotte and Flagstad, Kirsten and Melchior, Lauritz","Lotte Lehmann, Kirsten Flagstad",,History,,Great voices of the opera,,,,https://cir.nii.ac.jp/crid/1130282272293765248