150 Rounds for Singing and Teaching by Edward Bolkavec and Judith Johnson. For Choral, Voice (COLLECTION). BH Kodaly. 104 pages. Boosey and Hawkes #M051808601. Published by Boosey and Hawkes

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

By Seth Riggs. For Voice. Book; CD; Method/Instruction; Vocal Method. Published by Alfred Music

By Bibs Ekkel. For Vocal. Songbook. Gypsy. Level: Beginning-Intermediate. Book. Size 8.75x11.75. 96 pages. Published by Mel Bay Publications, Inc.