Oriģināls: Alfred's Basic Adult Piano Course Country Songbook, Book 1. Mammas, Don't Let Your Babies Grow Up to Be Cowboys. Willard A. Palmer.
Tulkojums: Alfrēda Basic Adult Piano Course Valsts Songbook, Book 1. Klavieru metode notis. Piano Solo notis. Sākums. Klavierēm. Metode. Instrukcija.