Kirsten Flagstad, Bjorling autograph
In 1936 Mary Ellis Peltz became the first chief editor of Opera News, a position she held until 1957 when she founded the Metropolitan Opera’s archives. She served as director of the Met’s archives from 1957-1981.
Rudolph, Walter B.
"A Peculiar Jussi Autograph,"
Journal of the Jussi Björling Societies of the USA & UK: Vol. 23
, Article 10.
Available at: https://scholarsarchive.byu.edu/jussibjorlingsociety/vol23/iss1/10