Die Walküre (English Wikipedia)

Knapp 1977, pp. 272–273. Knapp, J. Merrill (Summer 1977). "The Instrumentation Draft of Wagner's Das Rheingold". Journal of the American Musicological Society. 30 (2). University of California Press: 272–295. doi:10.2307/831220. JSTOR 831220.
""The Nibelung's Ring" at Her Majesty's Theatre". The Musical Times. 23 (472): 322. 1 June 1882. doi:10.2307/3359110. JSTOR 3359110.
Bailey 1977, p. 54. Bailey, Robert (July 1977). "The Structure of the "Ring" and Its Evolution". 19th-Century Music. 1 (1): 48–61. doi:10.2307/746769. JSTOR 746769.
Herbert 2002, p. 682. Herbert, James D. (Spring 2002). "The Debts of Divine Music in Wagner's Ring des Nibelungen". Critical Inquiry. 28 (3). University of Chicago Press: 677–708. doi:10.1086/343235. JSTOR 10.1086/343235. S2CID 162341183.
Bailey 1977, pp. 55–57. Bailey, Robert (July 1977). "The Structure of the "Ring" and Its Evolution". 19th-Century Music. 1 (1): 48–61. doi:10.2307/746769. JSTOR 746769.

dw.com (Global: 204^th place; English: 353^rd place)

"Bayreuth Festival 2018: The latest Wagner celebration begins". Deutsche Welle. Retrieved 1 September 2018.
"Bayreuth Festival 2018: The latest Wagner celebration begins". DW. 25 July 2018. Retrieved 11 November 2018.

gutenberg.org (Global: 489^th place; English: 377^th place)

Shaw 2008. Shaw, Bernard (2008). "Preliminary encouragements". The Perfect Wagnerite. Dianne Bean and David Widger (ebook via Project Gutenberg). (Originally published by G. Richards, London 1898, OCLC 4815545)

jstor.org (Global: 26^th place; English: 20^th place)

Knapp 1977, pp. 272–273. Knapp, J. Merrill (Summer 1977). "The Instrumentation Draft of Wagner's Das Rheingold". Journal of the American Musicological Society. 30 (2). University of California Press: 272–295. doi:10.2307/831220. JSTOR 831220.
""The Nibelung's Ring" at Her Majesty's Theatre". The Musical Times. 23 (472): 322. 1 June 1882. doi:10.2307/3359110. JSTOR 3359110.
Bailey 1977, p. 54. Bailey, Robert (July 1977). "The Structure of the "Ring" and Its Evolution". 19th-Century Music. 1 (1): 48–61. doi:10.2307/746769. JSTOR 746769.
Herbert 2002, p. 682. Herbert, James D. (Spring 2002). "The Debts of Divine Music in Wagner's Ring des Nibelungen". Critical Inquiry. 28 (3). University of Chicago Press: 677–708. doi:10.1086/343235. JSTOR 10.1086/343235. S2CID 162341183.
Bailey 1977, pp. 55–57. Bailey, Robert (July 1977). "The Structure of the "Ring" and Its Evolution". 19th-Century Music. 1 (1): 48–61. doi:10.2307/746769. JSTOR 746769.

nyphil.org (Global: low place; English: low place)

"Leopold Damrosch". New York Philharmonic. Retrieved 1 September 2018.

nytimes.com (Global: 7^th place; English: 7^th place)

Anthony, Tommasini (26 March 2009). "Traditional 'Ring' Begins Its Finale". The New York Times. (subscription required)

semanticscholar.org (Global: 11^th place; English: 8^th place)

api.semanticscholar.org

Herbert 2002, p. 682. Herbert, James D. (Spring 2002). "The Debts of Divine Music in Wagner's Ring des Nibelungen". Critical Inquiry. 28 (3). University of Chicago Press: 677–708. doi:10.1086/343235. JSTOR 10.1086/343235. S2CID 162341183.

stanford.edu (Global: 179^th place; English: 183^rd place)

opera.stanford.edu

"Die Walküre: Performance History". opera.stanford.edu. Opera Glass. Retrieved 15 August 2018.
"Metropolitan Opera Premiere: Die Walküre". Metropolitan Opera. Retrieved 1 September 2018.

wagneroperas.com (Global: low place; English: low place)

"Der Ring des Nibelungen: Bayreuth 1876". Wagner Operas. Retrieved 29 August 2018.

worldcat.org (Global: 5^th place; English: 5^th place)

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Newman 1949, pp. 466–467. Newman, Ernest (1949). Wagner Nights. London: Putnam. OCLC 3974782.
Voss 2013, p. unpaginated. Voss, Egon (2013). Der Ring des Nibelungen. in drei Aufzügen, WWV 86 B (1854-1856 (in German). Mainz: Schott. ISBN 978-3-7957-9873-4. OCLC 854991820.
Newman 1949, p. 521. Newman, Ernest (1949). Wagner Nights. London: Putnam. OCLC 3974782.
Newman 1949, p. 523. Newman, Ernest (1949). Wagner Nights. London: Putnam. OCLC 3974782.
Newman 1949, p. 525. Newman, Ernest (1949). Wagner Nights. London: Putnam. OCLC 3974782.
Newman 1949, p. 537. Newman, Ernest (1949). Wagner Nights. London: Putnam. OCLC 3974782.
Newman 1949, p. 558. Newman, Ernest (1949). Wagner Nights. London: Putnam. OCLC 3974782.
Newman 1949, pp. 540–541. Newman, Ernest (1949). Wagner Nights. London: Putnam. OCLC 3974782.
Newman 1949, pp. 542–545. Newman, Ernest (1949). Wagner Nights. London: Putnam. OCLC 3974782.
Newman 1949, p. 540. Newman, Ernest (1949). Wagner Nights. London: Putnam. OCLC 3974782.
Newman 1949, p. 541. Newman, Ernest (1949). Wagner Nights. London: Putnam. OCLC 3974782.

worldcat.org

Shaw 2008. Shaw, Bernard (2008). "Preliminary encouragements". The Perfect Wagnerite. Dianne Bean and David Widger (ebook via Project Gutenberg). (Originally published by G. Richards, London 1898, OCLC 4815545)

Die Walküre (English Wikipedia)

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