By Nancy Telfer. (Successful Choral Curriculum). Choral Book. Level: Book A,1. Music Book. Size 232. Published by Neil A. Kjos Music Company.

Method and Rehearsal Guide for Lux Aurumque (Eric Whitacre). Composed by James Jordan / Jason Vodicka. Music Learning Theory (MLT). Music Education. 258 pages. Published by GIA Publications (GI.G-9063).

Edited by Andy Beck, Brian Lewis, Karen Farnum Surmani. Instructional book and accompaniment CD for voice. Series: Choral/Vocal (Choral Texts, Methods and Videos). Published by Alfred Publishing.