Erna Sack (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Erna Sack" in English language version.

refsWebsite

Global rank English rank

low place

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7^th place

7^th place

1steffi-line.de

low place

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5,015^th place

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chandos.net

"Erna Sack: The German Nightingale CD Booklet" (PDF). Chandos Records. p. 2. Retrieved 2019-06-21.

fembio.org

"Erna Sack". Fembio.org (in German). Retrieved 2019-06-21.

nytimes.com

"Erna Sack, Soprano, Dies at 69; Known for Her Effortless High C". The New York Times. 1972-03-06. Retrieved 2019-05-12.

steffi-line.de

"Erna Sack Biografie". Steffi-line.de (in German). Retrieved 2019-06-21.