Originál: 1st Duet Book for Little Jacks and Jills. 1st Duet Book for Little Jacks and Jills. Fun with Tom, John, and Bill.
Preklad: 1. Duet Kniha pre malé Jacks a Jills. 1. Duet Kniha pre malé Jacks a Jills. FUN s Tomom, JOHN, a Bill. Irene Rodgers.