Wagner, R., Behrens, H., Norman, J., Ludwig, C., Lakes, G., Morris, J., . . . Schenk, O. (1989). Die Walküre. [Metropolitan Opera].

Wagner, Richard, Hildegard Behrens, Jessye Norman, Christa Ludwig, Gary Lakes, James Morris, Kurt Moll, James Levine, and Otto Schenk. Die Walküre. [New York, New York]: [Metropolitan Opera], 1989.

Wagner, Richard, et al. Die Walküre. [Metropolitan Opera], 1989.