• opens new windowAfrican-American Sheet Music 1850-1920 (Brown University Library)
• opens new windowAll About Jazz
• opens new windowAmerican Roots Music
• opens new windowChoral Music - email delivery of Choral Music.
• opens new windowChoralWIKI - Includes Choral Public Domain Library; "Free choral/vocal scores, texts, translations, and other useful information."
• opens new windowClassical Archives - Sound bites of classical music. Free 14-day trial.
• opens new windowClassical Net -9,000+ pages, 20,000+ images, 5,500+ links to other classical sites, and more.
• opens new windowHistoric American Sheet Music (Digital Repository):Rare Book, Manuscript, and Special Collections Library at Duke University
• opens new window Internet Archive - Search free voice,piano, folk, stage, sheet music and more; includes hymns, operas, children's songs, popular and church music and a variety of other music 1800s-2020. See: opens new windowMusic results.
  To view music topics and themes, click one of the icons to the right of "Topics & Subjects" in the left sidebar.
  
• opens new window Library of Congress: American Memory, Performing Arts, Music
  opens new window Library of Congress: Music- Includes print, audio recordings, film, video, software, 3D objects, periodicals, manuscripts, and more
  opens new window Library of Congress: Notated Music- Search "Notated Music" or browse "Collections of Notated Music"
• opens new windowMusica International: The Virtual Choral library - Choral documentary search tool. opens new windowmore
• opens new windowSmithsonian: Music- Includes more than 185,000 images, exhibitions, stories, videos, websites and more.

Try a web search for the composer's name and "library". Example: mozart's library

Search a composer's name in opens new windowGale in Context: Biography or the opens new window Library of Congress, Digital Collections.
The sample websites listed below may include searchable books, theses, articles, music, writing, reviews, concerts and more.

• opens new windowBach Bibliography
• opens new windowThe Glenn Gould Archive (Library and Archives of Canada)
• opens new windowThe Hector Berlioz Website
• opens new windowJ.S. Bach Home Page
• opens new windowLeonard Bernstein Collection opens new window ( Library of Congress)
• opens new windowMozart's library
• opens new windowSerge Prokofiev Foundation Archive (Columbia University Libraries, Rare Book & Manuscript Library)
• opens new windowRichard Wagner Foundation