The big three
Subtitle: a handbook of Gilbert, Sullivan, D'Oyly Carte
By: by Elijah Beaumont
Contributors: Fredric Woodbridge Wilson Collection of Gilbert and Sullivan (Harvard Theatre Collection)
Publisher: Herald Printing Works
Published: 193u
Place of publication: Heckmondwike, England
Language: eng
Number of pages: 31
Notes: Title from cover.

"Price sixpence."

In his conclusion on p. 31, Beaumont lists titles for further reading, all first published between 1920 and 1929.