Originale: Gospel Hymnal, Volume 3. Beulah Land. Happiness Is The Lord. Happy Day. The Happy Jubilee. Choir sheet music.
Traduzione: Vangelo Hymnal, Volume 3. The Happy Giubileo. Coro spartiti. Vangelo Hymnal, Volume 3 per coro SATB. Spiral bound. Benson Choral.