Richard Lamparski: Whatever Became Of--?: Eighth Series: the Best (updated) and Newest of the Famous Lamparski Profiles of Personalities of Yesteryear. Crown Publishers, 1982, ISBN 0-517-54346-X (google.de).
Giuliana Muscio: Napoli/New York/Hollywood: Film between Italy and the United States. Fordham Univ Press, 2018, ISBN 978-0-8232-7939-5 (google.de).