^"Lois Ewell Sings at Stadium"(PDF). نيويورك تايمز. 10 أغسطس 1920. مؤرشف من الأصل(PDF) في 2019-12-15. اطلع عليه بتاريخ 2009-07-23. Lois Ewell, leading soprano of the former Century English Opera, sang three songs in French, Alezandre Georges's 'Hymn to the Sun,' Fourdrain's 'Carnival'.
^Pierre V. R. Key (1914). "Opera For And By The People". The Century Magazine. مؤرشف من الأصل في 2014-06-15. اطلع عليه بتاريخ 2013-12-08. Lois Ewell, the most efficient and popular of the sopranos, comes from Tennessee, although she is known as a Brooklyn girl because of her lengthy residence in the City of Churches. Miss Ewell will have earned more than $12,000 for her.
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