"Romberg Left $428,167 [wife is principal beneficiary]"
January 16, 1957 · pg. 36:3
Variety (US)
"Sigmund Romberg, Last of Operetta Triumvirate, Dies Suddenly in N.Y. at 64"
November 14, 1951
The Times (GB)
"Sigmund Romberg"
November 12, 1951 · pg. 6:5
New York Times (US)
"Sigmund Romberg, Composer, Dies, 64; Victim of Stroke in His Suite at Ritz Towers--Came Here From Coast a Week Ago; Writer of 78 Musicals; 'The Student Prince,' 'Blossom Time' Among Successes--Produced 2,000 Songs"