Bibliography
- Safe Passage, by Ida Cook, Harlequin, 1950/76/08. ISBN 978-0-373-89201-3
- Richard Strauss und seine Sänger, by Signe von Scanzoni, Munich, 1961.
- The Last Prima Donnas, by Lanfranco Rasponi, Alfred A. Knopf, 1982. ISBN 0-394-52153-6
Read more about this topic: Viorica Ursuleac