Reginald De Koven
Wrote the book for 10 shows, 1870 to 1911. The book is the spoken scenes and the structure holding the songs together.
10 shows in the catalogue.
| 1905 | Happyland | Musical |
| 1902 | Maid Marian | Musical |
| 1903 | Red Feather | Musical |
| 1909 | The Beauty Spot | Musical |
| 1907 | The Girls of Holland | Musical |
| 1870 | The Golden Butterfly | Musical |
| 1897 | The Highwayman | Musical |
| 1901 | The Little Duchess | Musical |
| 1906 | The Student King | Musical |
| 1911 | The Wedding Trip | Musical |