International Phonetic Alphabet and Recorded Diction Lessons Book/3-CD Pack. By Martha Gerhart, Irene Spiegelman. Vocal Collection. BOOK W/CD. 72 pages. Published by Hal Leonard.

International Phonetic Alphabet and Recorded Diction Lessons Book/3-CD Pack. By Martha Gerhart, Pierre Vallet. Vocal Collection. BOOK W/CD. 72 pages. Published by Hal Leonard.

Edited by John Glenn Paton. For Voice. Book; Masterworks; Vocal Collection. Gateway Series. Masterwork. 128 pages. Published by Alfred Music Publishing

By Mathilde Marchesi. For voice. Band/Orchestra. Size 9 3/8 x 12 1/4. 108 pages. Published by Dover Publications.

Voice. By Mark Phillips. Instructional. Size 9x12 inches. 80 pages. Published by Cherry Lane Music.

Middle Voice, Placement and Styles. By Tita Hutchison, Dena Murray. Musicians Institute Press (Instruction taken from the curriculum of MI). Softcover with CD. 96 pages. Published by Musicians Institute Press.

With Carol Rodgers and Masta Robert Edwards, Jr. For Voice. Vocal DVD. The Ultimate Beginner Series. Blues. DVD. Published by Alfred Publishing.

Building Beautiful Voices - Singers Edition. (A concise, yet comprehensive study of vocal technique for the choral rehearsal or private instruction). By Paul Nesheim. Singers score. Published by Roger Dean Publishing