Search vocal scores using Advanced Search. Composer (author) and title with "Music Scores" limiter under Format. Note the call number "M150# .##" to find the item. Vocal scores are located on the right side, towards the back of the M/ML.
LoC Call Number listings for vocalists.
Scores (M):
M1503 (Opera alpha by composer)
M1507 (Musical Theatre and Opera Collections and Anthologies)
M1508 (Musical Theatre alpha by composer)
M1619 (Art Song Anthologies)
M1620 (Art Song alpha by composer)
M2000+ (Sacred Vocal Music)
Literature about Music (ML):
ML100 (Encyclopedias)
ML134 (Thematic Catalogs alpha by composer)
ML410 (Biography - alpha by composer/performer)
ML1400-3275 (Books about vocal music of all cultures and genres)
ML3820 (Physiological)
Music Theory/Teaching (MT):
MT88 (Administration of Vocal Groups)
MT820-890 (Singing and Vocal Techniques)
Reference and streaming databases for performance, repertoire or diction.