See for a contemporary report of Hirsch's work and an interview about his Jewish name and background:
J. Gompers, ‘Bij Fritz Hirsch op bezoek. Een interview’ in: De Vrijdagavond 3(1926), nr. 43: dl. 2, 264-267.
In the media resource centre of the Jewish Historical Museum is a textbook of one of Hirsch's operettas: 'Wir walzen in den Himmel hinein'.
At the 10th jubilee of the Fritz Hirsch Operet…
Person is in the National Database of Victims of Persecution