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