For the Princess Theatre, Bolton and Wodehouse wrote the book and lyrics for "Have a Heart" (1917), "Oh, Boy!" (1917), which ran for 463 performances, "Leave It to Jane" (1917), "Oh, Lady! Lady!!" (1918), "See You Later" (1918) and "Oh! My Dear" (1918). They also collaborated on "Miss 1917" (1917) at the Century Theatre, on Bolton's second Kálmán show, "The Riviera Girl" (1917), and on "Kissing Time" (1918), the latter two for the New Amsterdam. During these years, Bolton also wrote successful plays with George Middleton and others. But it was the Princess Theatre shows with Kern that made the most impression; some of these shows were so popular that they transferred to the larger Casino Theatre to finish their runs. An anonymous admirer wrote a verse in their praise that begins: