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 in the catalogue.
| Happyland | 1905 | Musical |
| Maid Marian | 1902 | Musical |
| Red Feather | 1903 | Musical |
| The Beauty Spot | 1909 | Musical |
| The Girls of Holland | 1907 | Musical |
| The Golden Butterfly | 1870 | Musical |
| The Highwayman | 1897 | Musical |
| The Little Duchess | 1901 | Musical |
| The Student King | 1906 | Musical |
| The Wedding Trip | 1911 | Musical |