(Leadsheets for Performance and Personal Enjoyment). Composed by David Mcdonald. For voice solo. Sacred Vocal. Published by Lillenas Publishing Company

To Sing, Read and Play. By Katalin Komlos. Arranged by Peter Erdei. (JOS Elementary Edition). Boosey and Hawkes Kodaly. Softcover. Size 7x10.5 inches. 136 pages. Published by Boosey and Hawkes.

Essential Concepts Series. Composed by Dena Murray. Musicians Institute Press. Instruction. Softcover Audio Online. 64 pages. Published by Musicians Institute Press

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.