Mezzo-Soprano/Belter. Composed by Various. Edited by Richard Walters. Vocal Collection. 248 pages. Published by Hal Leonard

(Belter/Mezzo-Soprano (45 Songs)). By Stephen Sondheim (1930-). Edited by Richard Walters. For Mezzo-Soprano, Piano Accompaniment. Vocal Collection. 334 pages. Published by Hal Leonard

Edited by Richard Walters. Vocal Collection. Instruction, Classical. Softcover Audio Online. 256 pages. Published by Hal Leonard

Mezzo-Soprano/Belter Book Only. Composed by Various. Edited by Richard Walters. Vocal Collection. Broadway, Musicals. Softcover. 256 pages. Published by Hal Leonard

Composed by Various. Edited by Richard Walters. Boosey and Hawkes Voice. Opera. Softcover. 216 pages. Published by Boosey and Hawkes