Wagner, R., Melchior, L., Traubel, H., Busch, F., Kinsky, R., Glaz, H., Janssen, H., Ralf, T., Leinsdorf, E., & Rodzinski, A. Lauritz Melchior, Helen Traubel sing Wagner. [S.l.]: Sony Music.
ISBD CitationLauritz Melchior, Helen Traubel sing Wagner . — [S.l.] : Sony Music. — 1 CD. — (Wagner, Richard 1813-1883 Great recordings ; 33)
MLA CitationWagner, Richard, et al. Lauritz Melchior, Helen Traubel Sing Wagner.[S.l.]: Sony Music.
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