(31 Songs from 19 Musicals). Composed by Various. For Vocal Duet. Vocal Collection. Softcover. 240 pages. Published by Hal Leonard

Arranged by Donald Sosin. Vocal duet songbook for high/low voice duet and piano accompaniment. With vocal melody, harmony part, piano accompaniment and chord names. 46 pages. Published by Cherry Lane Music.

(The Career Guide to Becoming a Professional Singer). By Jaime Babbitt. For Voice. Book; Method/Instruction; Technique Musicianship; Vocal Method. 264 pages. Published by Alfred Music Publishing