ISBN 0-8191-1882-6*"New York Times", "Hail Farrar Queen as She Sings Adieu", April 23, 1922, p. 20*Rosenthal, H. and Warrack, J., "Farrar, Geraldine", "The Concise Oxford Dictionary of Opera", 2nd Edition, Oxford University Press, 1979, p. 161.
ISBN 0-8191-1882-6* Rosenthal, H. and Warrack, J., «Farrar, Geraldine», "The Concise Oxford Dictionary of Opera", 2nd Edition, Oxford University Press, 1979, p. 161.